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is a Japanese former professional
tennis Tennis is a List of racket sports, racket sport that is played either individually against a single opponent (singles (tennis), singles) or between two teams of two players each (doubles (tennis), doubles). Each player uses a tennis racket st ...
player. Her highest WTA rankings are No. 30 in singles and No. 77 in doubles. Doi reached two junior Grand Slam doubles finals – at
Wimbledon Wimbledon most often refers to: * Wimbledon, London, a district of southwest London * Wimbledon Championships, the oldest tennis tournament in the world and one of the four Grand Slam championships Wimbledon may also refer to: Places London * W ...
in 2007 with
Kurumi Nara is a Japanese former professional tennis player. In her career, she won one singles title on the WTA Tour, with seven singles and three doubles titles on the ITF Women's World Tennis Tour, ITF Women's Circuit. On 18 August 2014, she achieved he ...
, and at the
Australian Open The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
in 2008, with Elena Bogdan (losing both). She has made it to three WTA tournament finals (only winning one). She is managed by Muse Group, a sports marketing agency based in Tokyo.


Junior career

Doi began playing tennis at the age of six. She first distinguished herself in tennis as a middle-school student, reaching the semifinals of the All Japan Middle School Tennis Championships in both 2004 and 2006 and joining the ITF Junior Circuit in 2006. In 2007, while enrolled as a freshman in Sundai Kōei High School, Doi earned second place in the Japan Open Junior Championships in
Nagoya is the largest city in the Chūbu region of Japan. It is the list of cities in Japan, fourth-most populous city in Japan, with a population of 2.3million in 2020, and the principal city of the Chūkyō metropolitan area, which is the List of ...
. A highlight of Doi's junior career was her successful doubles partnership with age-mate
Kurumi Nara is a Japanese former professional tennis player. In her career, she won one singles title on the WTA Tour, with seven singles and three doubles titles on the ITF Women's World Tennis Tour, ITF Women's Circuit. On 18 August 2014, she achieved he ...
. They placed second in girls' doubles at the
2007 Wimbledon Championships The 2007 Wimbledon Championships was a tennis tournament played on grass courts at the All England Lawn Tennis and Croquet Club in Wimbledon, London in the United Kingdom. It was the 121st edition of the Wimbledon Championships and were held fr ...
, becoming only the second Japanese pair to reach the finals of a Grand Slam juniors event since Yuka Yoshida and Hiroko Mochizuki at the 1993 US Open. Doi and Nara continued their run by advancing to the girls' doubles semifinals at a number of high-profile tournaments, such as the 2007 US Open and Wimbledon 2008. Doi also teamed with Romanian Elena Bogdan to place second in girls' doubles at the 2008 Australian Open. This flurry of successes catapulted Doi to No. 3 in Japan's under-18 tennis rankings for 2007; she had been recognized early on as one of Japan's rising stars in junior tennis. 2008 marked Doi's first participation in
ITF Women's Circuit The ITF Women's World Tennis Tour, previously known as the ITF Women's Circuit, is a series of professional tennis tournaments run by the International Tennis Federation for female professional tennis players. History It serves as a developmenta ...
events. She partnered with Kurumi Nara again for the 2008 ITF event in Miyazaki, where they upset top-seeded sisters Erika and Yurika Sema, 3–6, 6–3, 0–6in the second round. Doi and Nara went on to triumph over Kimiko Date-Krumm and Tomoko Yonemura in the final.


Professional career


2006–09: First ITF title and qualifiers on WTA Tour

Doi officially turned pro in June 2006, at the age of 15. In 2009, she focused primarily on Japanese tournaments, where she earned two first-place and two second-place finishes in singles and one second-place result in doubles. In March 2009, she won her first ITF title at the $10k Kofu event. In October, she made her tour debut in the qualifiers of the Japan Women's Open, falling to American
Abigail Spears Abigail Michal Spears (born July 12, 1981) is a former professional tennis player from the United States. Spears won 21 double titles including the 2017 Australian Open. Spears started playing tennis in 1988 when she was 7 years old, and turn ...
in the second qualifying round. Doi was seeded sixth in the women's singles draw of the All Japan Tennis Championships. She lost in straight sets to Akiko Morigami in the round of 16. Her performance in 2009's events lifted Doi from a year-opening ranking of No. 613 to a year-end mark of No. 199 and a place among the top 10-players in Japanese tennis.


2010: First Grand Slam qualifying

In 2010, Doi began playing professional tournaments outside Japan. She appeared in the women's singles qualifiers for that year's
Australian Open The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
. Doi then made appearances at several circuit tournaments, placing second in singles at Irapuato, Mexico in March. In doubles, she recorded three second-place finishes in as many weeks in April tournaments at Incheon, Gimhae, and Changwon, South Korea, with partner Junri Namigata. With new partner Kotomi Takahata, Doi won her first $50k title in doubles at the Fukuoka International in May, defeating Marina Erakovic and
Alexandra Panova Alexandra Alexandrovna Panova (; born 2 March 1989) is a Russian professional tennis player who specializes in doubles. She has a career-high WTA doubles ranking of world No. 30 achieved on 28 October 2024. She peaked at No. 71 in singles on 3 ...
in straight sets. Her success continued in the qualifying rounds of the
French Open The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
, where she defeated Mandy Minella and upset
Michelle Larcher de Brito Micaela Carolina Larcher de Brito (born 29 January 1993), known by the anglicized name Michelle Larcher de Brito, is a Portuguese former professional tennis player. She is the former Portuguese No. 1. Larcher de Brito won four singles titles on ...
to reach the qualifier finals. With her victory over Vitalia Diatchenko, Doi had earned a spot in her first major tournament main draw, where she lost to
Polona Hercog Polona Hercog (, born 20 January 1991) is a Slovenian professional tennis player. Her career-high WTA rankings are 35 in singles and 56 in doubles. She has won five titles on the WTA Tour, three in singles and two in doubles. Hercog also has had ...
in the first round. She finished the year with a first-place performance in the All Japan Tennis Championships women's singles.


2011: First major main-draw win

Doi's Grand Slam results improved in 2011, when she qualified for
Wimbledon Wimbledon most often refers to: * Wimbledon, London, a district of southwest London * Wimbledon Championships, the oldest tennis tournament in the world and one of the four Grand Slam championships Wimbledon may also refer to: Places London * W ...
and had her first win in Grand Slam tournament against Bethanie Mattek-Sands. She went on to defeat
Zheng Jie Zheng Jie (born 5 July 1983) is a Chinese former professional tennis player. In May 2009, she achieved a career-high singles ranking of world No. 15. Zheng is one of China's most successful tennis players. She won four singles titles on the ...
before losing in the third round to Sabine Lisicki.


2012: First WTA Tour quarterfinal

The Birmingham Classic was Doi's first appearance in the quarterfinals of a singles tour event, which she reached by defeating the top seed Francesca Schiavone in two sets. Although Doi lost in the
Wimbledon Wimbledon most often refers to: * Wimbledon, London, a district of southwest London * Wimbledon Championships, the oldest tennis tournament in the world and one of the four Grand Slam championships Wimbledon may also refer to: Places London * W ...
qualifiers to
Kristina Mladenovic Kristina "Kiki" Mladenovic (born 14 May 1993) is a French professional tennis player and a former List of WTA number 1 ranked doubles tennis players, world No. 1 in doubles. Her best singles ranking is world No. 10. She is a nine-time Grand Slam ...
, she received a
lucky loser A lucky loser is a sports competitor (player or team) who loses a match in a knockout tournament or loses in qualifying, but who then enters the main draw. This can occur when another competitor withdraws during the tournament because of illness ...
berth in the main tournament. She was defeated by her first-round opponent
Arantxa Rus Arantxa Rus (; born 13 December 1990) is a Dutch professional tennis player. She won one WTA Tour singles title at the 2023 Hamburg European Open – Women's singles, 2023 Hamburg Open and four in doubles. Her biggest singles successes to date ...
. After failing to qualify for the main draws of the US Open and Pan Pacific Open, Doi found success at the Japan Women's Open, where she defeated
Chanelle Scheepers Chanelle Scheepers ( ; born 13 March 1984) is a retired South African tennis player. She won one singles and one doubles title on the WTA Tour, as well as 12 singles and 20 doubles titles on the ITF Women's Circuit in her career. On 10 Octobe ...
in three sets to reach her first tour semifinal.


2013: Main-draw appearance at all major tournaments

2013 marked the first year in which Doi qualified for all four Grand Slam tournaments. In the
Australian Open The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
, she reached the second round after a two-set victory over
Petra Martić Petra Martić (; born 19 January 1991) is a Croatian professional tennis player. She has a career-high WTA rankings, singles ranking of world No. 14, achieved in January 2020. Martić has won two singles titles on the WTA Tour, one singles and o ...
, before losing 0–6, 0–6 to
Maria Sharapova Maria Yuryevna Sharapova (, ; born 19 April 1987) is a Russian former professional tennis player. She was ranked as the world No. 1 in women's singles by the Women's Tennis Association (WTA) for 21 weeks. Sharapova won 36 WTA Tour-level sin ...
. She lost in the first round in the other three major events. At the
French Open The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
she faced
Madison Keys Madison Keys (born February 17, 1995) is an American professional tennis player. She has been WTA rankings, ranked as high as world No. 5 in women's singles by the Women's Tennis Association, WTA. Keys has won ten WTA Tour-level career singles ...
; at
Wimbledon Wimbledon most often refers to: * Wimbledon, London, a district of southwest London * Wimbledon Championships, the oldest tennis tournament in the world and one of the four Grand Slam championships Wimbledon may also refer to: Places London * W ...
Sílvia Soler Espinosa; and at the US Open
Petra Kvitová Petra Kvitová (; born 8 March 1990) is a Czech professional tennis player. Known for her powerful left-handed groundstrokes and variety, Kvitová has won 31 career singles titles, including two Grand Slam (tennis)#Tournaments, major titles ...
.


2016: Wimbledon fourth round, top 30 debut

At the
Australian Open The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
, Doi played the seventh seed
Angelique Kerber Angelique Kerber (; born 18 January 1988) is a German former professional tennis player. She was ranked as the List of WTA number 1 ranked singles tennis players, world No. 1 in women's singles by the Women's Tennis Association (WTA) for 34 wee ...
in the first round, winning the first set and holding a match point in the second-set tie-break before eventually losing in three sets. Kerber went on to win the title. On 16 May, she achieved a new career-high ranking of world No. 38, after her quarterfinal appearance in the Italian Open. Doi competed at the Birmingham Classic, losing to Johanna Konta. She then reached the last 16 of
Wimbledon Wimbledon most often refers to: * Wimbledon, London, a district of southwest London * Wimbledon Championships, the oldest tennis tournament in the world and one of the four Grand Slam championships Wimbledon may also refer to: Places London * W ...
, beating Louisa Chirico, Karolína Plíšková and Anna-Lena Friedsam before losing to Kerber, in straight sets. Doi was the first Japanese player to reach the fourth round of the ladies draw since Ai Sugiyama ten years earlier. She made her top 30 debut on 10 October 2016.


2017: Inconsistency and falling out of top 100

Doi had a slow start to the year in Australia, beating world No. 30,
Ekaterina Makarova Ekaterina Valeryevna Makarova (; ; born 7 June 1988) is a Russian former professional tennis player who was ranked List of WTA number 1 ranked doubles tennis players, world No. 1 in doubles, and world No. 8 in singles. She is a four-time Gra ...
, in the first round of the
Brisbane International The Brisbane International established in 2009 is a professional tennis tournament played on Tennis court#Hard courts, outdoor hardcourts in Brisbane, Queensland in Australia. It is a WTA 500 tournaments, WTA 500 tournament and an ATP World T ...
, before then losing three matches in a row to
Roberta Vinci Roberta Vinci (; born 18 February 1983) is an Italian former tennis player. In doubles tennis, she is a Grand Slam (tennis)#Career Grand Slam, Career Grand Slam champion having won all Grand Slam (tennis)#Tournaments, major tournaments and reac ...
, local wildcard in Hobart Lizette Cabrera and then falling in round one to Pauline Parmentier at the
Australian Open The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
. Following a quarterfinal at the Taiwan Open - falling to Lucie Šafářová, she struggled for consistency, winning only one more match between February and May. She had a minor resurgence on clay, beating WR13 and ninth seed
Madison Keys Madison Keys (born February 17, 1995) is an American professional tennis player. She has been WTA rankings, ranked as high as world No. 5 in women's singles by the Women's Tennis Association, WTA. Keys has won ten WTA Tour-level career singles ...
and qualifier Donna Vekic at the Mutua Madrid Open, and then reaching the semifinals at
Nürnberg Nuremberg (, ; ; in the local East Franconian dialect: ''Nämberch'' ) is the largest city in Franconia, the second-largest city in the German state of Bavaria, and its 544,414 (2023) inhabitants make it the 14th-largest city in Germany. ...
. She then suffered a disappointing first-round exit at the
French Open The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
to
Sara Errani Sara Errani (; born 29 April 1987) is an Italian professional tennis player. Errani is one of only seven women who have completed a career Grand Slam (tennis)#Golden Slam, Golden Slam in doubles. She is an Olympic Games gold medalist, a former ...
, before exiting at the same stage at
Wimbledon Wimbledon most often refers to: * Wimbledon, London, a district of southwest London * Wimbledon Championships, the oldest tennis tournament in the world and one of the four Grand Slam championships Wimbledon may also refer to: Places London * W ...
to Kirsten Flipkens. For the rest of the year, Doi was not able to win back-to-back matches in tournaments, including a first-round exit in the US Open to
Barbora Strýcová Barbora Strýcová (; born 28 March 1986), formerly known as Barbora Záhlavová-Strýcová, is a Czech former professional tennis player who was ranked List of WTA number 1 ranked doubles tennis players, world No. 1 in doubles. She won two Gra ...
. After another first-round loss in the Japan Women's Open to
Zarina Diyas Zarina Diyas (; ; born 18 October 1993) is a Kazakh professional tennis player. She has been WTA rankings, ranked as high as No. 31 by the Women's Tennis Association, WTA. Diyas has won one singles title on the WTA Tour, at the 2017 Japan Women' ...
, she exited the Top 100. She suffered further first-round losses to Irina Khromacheva in Hua Hin and world No. 79 and top seed
Aryna Sabalenka Aryna Siarhiejeŭna Sabalenka (born 5 May 1998) is a Belarusian professional tennis player. She is currently ranked as the world No. 1 in women's singles by the Women's Tennis Association (WTA), and is a former world No. 1 in women's doubles. ...
in the $125k event in Taipei, Doi ended the year with just one more win in Hawaii, and ended the year ranked 119.


2018: Return to the ITF Circuit and WTA Tour qualifying

Due to her ranking drop following her struggles in 2017, Doi returned to playing qualifying events in the Australian swing. She beat Tamara Zidanšek in the first round of qualifying at the
Brisbane International The Brisbane International established in 2009 is a professional tennis tournament played on Tennis court#Hard courts, outdoor hardcourts in Brisbane, Queensland in Australia. It is a WTA 500 tournaments, WTA 500 tournament and an ATP World T ...
before falling to Heather Watson in straight sets. She then exited the
Australian Open The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
to Dayana Yastremska 3-6, 1-6 in the first round of qualifying. Doi then had two first round losses in Challenger-level events in the U.S., losing to wildcard Victoria Duval, 1-6 2-6 in the WTA 125 event at
Newport Beach Newport Beach is a coastal city of about 85,000 in southern Orange County, California, United States. Located about southeast of downtown Los Angeles, Newport Beach is known for its sandy beaches. The city's harbor once supported maritime indu ...
, and then to
Bianca Andreescu Bianca Vanessa Andreescu (; born June 16, 2000) is a Canadian professional tennis player. She has been WTA rankings, ranked world No. 4 in women's singles by the Women's Tennis Association, WTA. Andreescu has won two singles titles on the WTA T ...
in the $100k event in Midland. Her ranking having dropped to 144, Doi dropped down to $25k event in
Surprise, Arizona Surprise is a city in Maricopa County, in the U.S. state of Arizona. The population was 143,148 at the 2020 census, up from 117,517 in 2010 and just 30,848 in 2000. Surprise is the spring training location of the Kansas City Royals and the ...
but was shocked in the second round by a French qualifier ranked 499. She then played three ITF and Challenger events, reaching a $25k quarterfinal in Rancho Santa Fe, and qualifying for the Oracle Challenger Indian Wells before falling in a final-set tiebreaker to Varvara Lepchenko. After failing to qualify for Charleston, Doi played a number of ITF events with very limited success, winning only two matches and losing five. She then lost in the first round of qualifying for the
French Open The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
in straight sets to Rebecca Peterson. Her ranking having plunged to 328, she returned to Asia to play a series of $25k events. This saw an upturn in form, winning the event in Kofu against five Japanese opponents, before then reaching the final of the event in
Daegu Daegu (; ), formerly spelled Taegu and officially Daegu Metropolitan City (), is a city in southeastern South Korea. It is the third-largest urban agglomeration in South Korea after Seoul and Busan; the fourth-largest List of provincial-level ci ...
in
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korea, Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and t ...
, before retiring injured 2-5 down in the final to Han Na-Lae. She then continued her improved form in the US, reaching a quarterfinal of a $60k event in Honolulu, losing to Jessica Pegula, before reaching a semifinal in
Ashland, Kentucky Ashland is a List of cities in Kentucky, home rule-class city in Boyd County, Kentucky, United States. The most populous city in Boyd County, Ashland is located upon the southern bank of the Ohio River at the state border with Ohio and near West ...
, beating the top seed Caroline Dolehide on route, for her best ranking win of the season. Doi then had a breakthrough in her season, by qualifying and winning a $100,000 ITF event in
Vancouver Vancouver is a major city in Western Canada, located in the Lower Mainland region of British Columbia. As the List of cities in British Columbia, most populous city in the province, the 2021 Canadian census recorded 662,248 people in the cit ...
, beating Heather Watson in the final. This provided her ranking a boost of around 80 places and meant she could play the qualifying event of the US Open - but lost in the first round to compatriot Nao Hibino, 4-6, 3-6. After a first-round loss as a wildcard in
Hiroshima is the capital of Hiroshima Prefecture in Japan. , the city had an estimated population of 1,199,391. The gross domestic product (GDP) in Greater Hiroshima, Hiroshima Urban Employment Area, was US$61.3 billion as of 2010. Kazumi Matsui has b ...
, Doi qualified for the Pan Pacific Open before falling in the first round to
Camila Giorgi Camila Giorgi (; born 30 December 1991) is an Italian former professional tennis player. She had a career-high singles WTA rankings, ranking of world No. 26, which was achieved on 22 October 2018. Giorgi was known for her aggressive style of pla ...
. After an early exit in
Tashkent Tashkent (), also known as Toshkent, is the Capital city, capital and List of cities in Uzbekistan, largest city of Uzbekistan. It is the most populous city in Central Asia, with a population of more than 3 million people as of April 1, 2024. I ...
, Doi qualified for the Tianjin Open, and had her best ranking win of the season by beating
Yulia Putintseva Yulia Antonovna Putintseva (, ; born 7 January 1995) is a Russian-born Kazakhstani professional tennis player. She achieved a career-high singles ranking of world No. 20 on 27 January 2025 and a doubles ranking of No. 76 on 17 March 2025. Puti ...
, ranked 47. She then lost in the second round to
Timea Bacsinszky Timea Bacsinszky (; born 8 June 1989) is a Swiss former professional tennis player. A former top ten singles player, Bacsinszky reached a career-high singles ranking of world No. 9, on 16 May 2016. She won four singles and five doubles titles o ...
. Her next breakthrough was at the $100k event in
Shenzhen Shenzhen is a prefecture-level city in the province of Guangdong, China. A Special economic zones of China, special economic zone, it is located on the east bank of the Pearl River (China), Pearl River estuary on the central coast of Guangdong ...
, where she reached semifinals - beating third seed
Luksika Kumkhum Luksika "Luk" Kumkhum (; ; born 21 July 1993) is a Thai tennis player. She turned professional in 2011, and reached her career-high singles ranking of world No. 66 on 19 November 2018. On 16 July 2018, she peaked at No. 86 in the WTA doubles ran ...
, before losing to top seed
Zheng Saisai Zheng Saisai or Zheng Sai-Sai (; born 5 February 1994) is a Chinese tennis player. She has a career-high singles ranking of world No. 34, achieved on 2 March 2020, and a doubles ranking of No. 15, achieved on 11 July 2016. In her career, she wo ...
. She ended season with a first-round loss to wildcard Sabine Lisicki in the WTA 125 event in
Taipei , nickname = The City of Azaleas , image_map = , map_caption = , pushpin_map = Taiwan#Asia#Pacific Ocean#Earth , coordinates = , subdivision_type = Country ...
. She ended 2018 ranked 139.


2019: Back to top 100

Doi played her first event of the year at the
Australian Open The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
qualifying event, and carried on the good form of the end of 2018 by winning through three qualifying rounds to the main draw, though the highest-ranked opponent she faced was world No. 248. She then lost in straight sets to Madison Brengle. Doi then entered five tournaments, winning only one match. She lost to Christina McHale in three sets (
Newport Beach Newport Beach is a coastal city of about 85,000 in southern Orange County, California, United States. Located about southeast of downtown Los Angeles, Newport Beach is known for its sandy beaches. The city's harbor once supported maritime indu ...
), to Margarita Gasparyan in straight sets ( St. Petersburg Trophy), in a third-set tiebreak to Georgina García Pérez in Japan's Fed Cup World Group II tie against Spain, in three sets to Magdalena Fręch in
Dubai Dubai (Help:IPA/English, /duːˈbaɪ/ Help:Pronunciation respelling key, ''doo-BYE''; Modern Standard Arabic, Modern Standard Arabic: ; Emirati Arabic, Emirati Arabic: , Romanization of Arabic, romanized: Help:IPA/English, /diˈbej/) is the Lis ...
, and in straight sets to Donna Vekić ( Mexican Open). Her sole win during this run was a three-set victory over Han Xinyun in Dubai. Her form took a turn in Indian Wells, where she beat Francesca Di Lorenzo and Yanina Wickmayer to qualify, before defeating Ons Jabeur (WR55) in straight sets in the first round. She then took the opening set against top-5 player and fifth seed Karolína Plíšková, before falling 7-6, 1-6, 1-6. She repeated the feat in
Miami Miami is a East Coast of the United States, coastal city in the U.S. state of Florida and the county seat of Miami-Dade County, Florida, Miami-Dade County in South Florida. It is the core of the Miami metropolitan area, which, with a populat ...
, beating 71st-ranked Anastasia Potapova and Mandy Minella in qualifying, before defeating wildcard Wang Xinyu in the first round. She then lost in two tight sets to
Polona Hercog Polona Hercog (, born 20 January 1991) is a Slovenian professional tennis player. Her career-high WTA rankings are 35 in singles and 56 in doubles. She has won five titles on the WTA Tour, three in singles and two in doubles. Hercog also has had ...
. Her performances in both tournaments raised her ranking back up to just outside the top 100 once more, at 101. Doi then hit a barren spell with six tour losses in a row (only winning two matches at Fed Cup World Group II playoffs against Netherlands), including a first-round loss at the
French Open The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
to seventh-ranked
Sloane Stephens Sloane Stephens (born March 20, 1993) is an American professional tennis player. She has achieved a career-best ranking of world No. 3 by the Women's Tennis Association, WTA. Stephens has won eight WTA Tour-level singles titles, including the 2 ...
. On grass, Doi beat Myrtille Georges in the $100k event in
Manchester Manchester () is a city and the metropolitan borough of Greater Manchester, England. It had an estimated population of in . Greater Manchester is the third-most populous metropolitan area in the United Kingdom, with a population of 2.92&nbs ...
before losing to Wang Xiyu. She lost in the first round of the Birmingham Classic to Viktoriya Tomova, before falling in the second round of qualifying at
Wimbledon Wimbledon most often refers to: * Wimbledon, London, a district of southwest London * Wimbledon Championships, the oldest tennis tournament in the world and one of the four Grand Slam championships Wimbledon may also refer to: Places London * W ...
. This meant she had fallen to around 117 in the world. Doi then suddenly turned around her poor form with a run to the title in Bastad with wins over Australian
Alison Bai Alison Bai (born 18 January 1990) is an Australian former tennis player. Her highest WTA singles ranking is No. 305, which she reached on 2 November 2015. Her career-high in doubles is 125, set on 20 January 2020. On the ITF Circuit, Bai won ...
, seventh-seeded Kazakh
Elena Rybakina Elena Andreyevna Rybakina (born 17 June 1999) is a Russian-born Kazakhstani professional tennis player. She has been WTA rankings, ranked world No. 3 in women's singles by the Women's Tennis Association, WTA, making her the first Kazakhstani ...
, fourth seeded German Mona Barthel, eighth-seeded Serbian Aleksandra Krunić, before beating Montenegrin Danka Kovinić in the final. The title was Doi's last WTA Tour title, and pushed her back into the top 100 rankings. After a first-round loss in San Jose, Doi qualified for the Roger's Cup but lost in the first round to qualifier Ekaterina Alexandrova. She then lost in the first round of the $100k Vancouver Open, before losing in straight sets in the US Open to tenth seed
Madison Keys Madison Keys (born February 17, 1995) is an American professional tennis player. She has been WTA rankings, ranked as high as world No. 5 in women's singles by the Women's Tennis Association, WTA. Keys has won ten WTA Tour-level career singles ...
. Doi continued her good form with a run to the final in
Hiroshima is the capital of Hiroshima Prefecture in Japan. , the city had an estimated population of 1,199,391. The gross domestic product (GDP) in Greater Hiroshima, Hiroshima Urban Employment Area, was US$61.3 billion as of 2010. Kazumi Matsui has b ...
, beating both qualifier Junri Namigata and Australian qualifier Zoe Hives in a three-setter, as well as seventh seed Sara Sorribes Tormo, and second seed
Veronika Kudermetova Veronika Eduardovna Kudermetova (born 24 April 1997) is a Russian professional tennis player. She has a career-high singles ranking of world No. 9, achieved on 24 October 2022, and a best WTA doubles ranking of No. 2, reached on 6 June 2022. In ...
each one in straight sets. In the final, she lost to compatriot Nao Hibino - with whom she also took her last tour-level doubles title. She then reached the quarterfinals of the Pan Pacific Open, including beating world No. 21, Donna Vekić, in the second round. With these performances, she returned to world No. 74 in the rankings. Her final tournaments were at the China Open, where she fell in qualifying, before qualifying in
Linz Linz (Pronunciation: , ; ) is the capital of Upper Austria and List of cities and towns in Austria, third-largest city in Austria. Located on the river Danube, the city is in the far north of Austria, south of the border with the Czech Repub ...
with three-set wins over wildcard Melanie Klaffner and world No. 116, Jasmine Paolini. She lost to top seed Kiki Bertens in the main draw. Her final tournament of the season resulted in a three-set first-round loss to second seed Julia Görges in the Luxembourg Open. Doi's year-end ranking had improved by 65 places on the previous year, ending the year ranked 74.


2020: COVID-19 pandemic and inconsistent results

Doi started 2020 with four straight losses, including a final set tiebreak loss in the
Australian Open The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
to qualifier Harriet Dart and a singles tie loss to Carla Suarez Navarro in the
Fed Cup The Billie Jean King Cup (or the BJK Cup) is the premier international team competition in women's tennis, launched as the Federation Cup in 1963 to celebrate the 50th anniversary of the International Tennis Federation (ITF). The name was cha ...
tie with Spain. She entered the main draw of the Qatar Open as a lucky loser, but lost for the second time to Tereza Martincová, who had beaten her in qualifying. She then reached the final of the WTA 125 event in Indian Wells, including wins over world No. 59,
Bernarda Pera Bernarda Pera ( ; ; born 3 December 1994) is a Croatian-American professional tennis player. Pera has won two singles titles and one doubles title on the WTA Tour, along with nine singles and eight doubles titles on the ITF Circuit. She achieved ...
, former world No. 2,
Vera Zvonareva Vera Igorevna Zvonareva ( rus, Вера Игоревна Звонарёва, p=ˈvʲerə ˈiɡərʲɪvnə zvənɐˈrʲɵvə, a=Vera zvonareva.ogg; born 7 September 1984) is a Russian former professional tennis player. Her career-high singles ran ...
, and Yanina Wickmayer, before losing to
Irina-Camelia Begu Irina-Camelia Begu (born 26 August 1990) is a Romanian tennis player. She reached a career-high WTA ranking, WTA singles ranking of world No. 22 , in August 2016. Two years later, she reached her highest ranking in doubles, also No. 22. She is ...
in the final. This was her final event before restrictions of the
COVID-19 pandemic The COVID-19 pandemic (also known as the coronavirus pandemic and COVID pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an disease outbreak, outbreak of COVID-19 in Wuhan, China, in December ...
shut down the professional tour. In her first tournaments after the pandemic break, Doi again struggled to consistently win at Tour level. She lost in the first round of the Top Seed Open to wildcard Shelby Rogers, before losing in qualifying for the WTA 1000 event in the Western & Southern Open to Oceane Dodin. She then lost in the first round to fourth seed and eventual champion
Naomi Osaka is a Japanese professional tennis player. She has been ranked as the List of WTA number 1 ranked singles tennis players, world No. 1 in women's singles by the Women's Tennis Association, WTA for 25 weeks, the first Asian player to hold the ...
in the US Open. After a second-round appearance in the Istanbul Cup, Doi qualified for
Rome Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...
, beating Martina Trevisan before falling 1-6 6-4 4-6 to 12th seed Markéta Vondroušová in the opening round. She then lost in the first round of the re-organised
French Open The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
in straight sets to 13th seed
Petra Martić Petra Martić (; born 19 January 1991) is a Croatian professional tennis player. She has a career-high WTA rankings, singles ranking of world No. 14, achieved in January 2020. Martić has won two singles titles on the WTA Tour, one singles and o ...
. Doi returned to the ITF circuit for the final three tournaments of the season, reaching the quarter finals of an $80,000 event in Macon, the second round of an $80,000 event in Tyler, and then retired injured in the final set of the semi final of a $100,000 event in Charleston to Mayar Sherif, having defeated Robin Montgomery,
Sara Errani Sara Errani (; born 29 April 1987) is an Italian professional tennis player. Errani is one of only seven women who have completed a career Grand Slam (tennis)#Golden Slam, Golden Slam in doubles. She is an Olympic Games gold medalist, a former ...
, and Ann Li in the previous rounds. She finished the season ranked 82.


2022: Swedish Open doubles title

Partnering Rebecca Peterson, Doi won the doubles title at the Swedish Open


2023: Last year of her career

In August, Doi announced that she would be retiring from the tour, due to chronic back injuries. She played her final tournaments at the Japan Women's Open in Osaka, and the Pan Pacific Open in Tokyo.


Personal background

Doi is coached by Christian Zahalka since April 2015. Her most admired players are
Justine Henin Justine Henin (; born 1 June 1982) is a Belgian former professional tennis player. She was ranked as the List of WTA number 1 ranked singles tennis players, world No. 1 in women's singles by the Women's Tennis Association (WTA) for 117 weeks, i ...
and Shingo Kunieda. She uses a Srixon racquet and ASICS shoes, prefers to play on
hardcourt A hardcourt (or hard court) is a type of surface or floor on which a sport is played, most usually in reference to tennis courts. It is typically made of rigid materials such as asphalt or concrete, and covered with acrylic resins to seal the s ...
s, and favors her forehand and serve.


Performance timelines

''Only main-draw results in WTA Tour, Grand Slam tournaments, Fed Cup/Billie Jean King Cup and Olympic Games are included in win–loss records.''


Singles

''Current through the 2023 Australian Open.''


Doubles


WTA Tour finals


Singles: 3 (1 title, 2 runner-ups)


Doubles: 3 (2 titles, 1 runner-up)


WTA Challenger finals


Singles: 4 (2 titles, 2 runner-ups)


Doubles: 5 (4 titles, 1 runner-up)


ITF Circuit finals


Singles: 12 (7 titles, 5 runner–ups)


Doubles: 14 (6 titles, 8 runner–ups)


Wins over top 10-players


Notes


References


External links

* * *
Japan Tennis Association profile
(in Japanese)
Misaki Doi official website

Misaki Doi's personal blog
(in Japanese) {{DEFAULTSORT:Doi, Misaki 1991 births Living people Japanese female tennis players People from Ōamishirasato Sportspeople from Yokohama Tennis people from Kanagawa Prefecture Tennis players from Chiba Prefecture Asian Games medalists in tennis Tennis players at the 2010 Asian Games Olympic tennis players for Japan Tennis players at the 2016 Summer Olympics Tennis players at the 2020 Summer Olympics Medalists at the 2010 Asian Games Asian Games bronze medalists for Japan 21st-century Japanese sportswomen