Katherine Sebov
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Katherine Sebov (born January 5, 1999) is a
Canadian Canadians () are people identified with the country of Canada. This connection may be residential, legal, historical or cultural. For most Canadians, many (or all) of these connections exist and are collectively the source of their being ''C ...
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. She reached a career-high WTA singles ranking of No. 136, on 10 April 2023. Sebov has a career-high combined ITF junior ranking of No. 22, achieved on 20 July 2015.


Early life

Sebov was born in
Toronto Toronto ( , locally pronounced or ) is the List of the largest municipalities in Canada by population, most populous city in Canada. It is the capital city of the Provinces and territories of Canada, Canadian province of Ontario. With a p ...
and is of Ukrainian descent. Her coaches are Simon Bartram in Toronto and Robert Lansdorp in Los Angeles.


Tennis career


2013–14

Sebov made her professional debut in November 2013 at the $50k Toronto Challenger but was defeated in the qualifying second round in singles and in the first round in doubles. In July 2013, she had won her first junior singles title at the G-4 in Vancouver. In July 2014 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 ...
, she qualified for her junior Grand Slam main-draw debut where she lost in the first round in singles and in the quarterfinals in the doubles. In September 2014, Sebov advanced to the third round in singles as a qualifier at the junior
US Open U.S. Open or US Open are open championship sporting tournaments that are hosted in the United States and in which anyone, especially amateur and professional, or American and non-American, may compete. The term may also be applied to non-sporting ev ...
and was defeated in the first round in doubles.


2015

In January, Sebov won her second singles junior title, this time at the G-1 in
Traralgon Traralgon ( , ) is a city located in the east of the Latrobe Valley in the Gippsland region of Victoria (Australia), Victoria, Australia and the most populous city in the City of Latrobe and the region. The urban population of Traralgon at the ...
. A week later, she reached the second round in singles and the quarterfinals in doubles at the junior event of 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 March, she qualified for the main draw of the $25k event in
Rancho Santa Fe Rancho Santa Fe is a census-designated place (CDP) in San Diego County, California, United States, within the San Diego metropolitan area. The population was 3,156 at the 2020 census. The CDP is primarily residential with a few shopping blocks, ...
, but fell in the first round to
CiCi Bellis Catherine Cartan "CiCi" Bellis (born April 8, 1999) is an American former professional tennis player. In early 2018, she was the second youngest player in the top 100 of the WTA rankings. Bellis has a career-high ranking of world No. 35 by the ...
. Sebov made it to the second round in singles and to the first round in doubles at the junior
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 May. In June at the junior competition 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 ...
, she was eliminated in the first round in singles and in the second round in doubles. In July, she qualified for the main draw of the $50k
Granby Challenger Championnats Banque Nationale de Granby (formerly Challenger de Granby) is a professional tennis tournament played on outdoor hardcourts. It is currently part of the ATP Challenger Tour and the ITF Women's World Tennis Tour The ITF Women's Wo ...
, defeating compatriot Catherine Leduc (world No. 155),
Julia Glushko Julia Glushko (or Yulia, ; born 4 January 1990) is an Israeli former tennis player. She won 11 singles and 14 doubles titles on the ITF Women's Circuit. Her best results at a Grand Slam (tennis), Grand Slam tournament were reaching the third ro ...
, and fellow Canadian Petra Januskova. She was eliminated by
Amandine Hesse Amandine Hesse (; born 16 January 1993) is a French professional tennis player. Hesse has won six singles and eight doubles titles on the ITF Circuit. On 9 May 2016, she reached her career-high WTA singles ranking of world No. 154. On 2 May ...
(No. 224) in the opening round. At the
US Open U.S. Open or US Open are open championship sporting tournaments that are hosted in the United States and in which anyone, especially amateur and professional, or American and non-American, may compete. The term may also be applied to non-sporting ev ...
junior singles tournament, she fell in the first round.


2016

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 ...
, Sebov advanced to the third round of the junior event in singles but was defeated in the first round in doubles. She decided to focus on the pro circuit for the rest of the season and did not play any other junior tournaments. In May, she reached back-to-back semifinals at $10ks in Antalya. In October, she qualified at the $50k in Saguenay where she was defeated by
Sachia Vickery Sachia Vickery ( ; born May 11, 1995) is an American professional tennis player. She reached a career-high of No. 73 in the WTA rankings on 30 July 2018. Vickery, a former USTA junior national champion, has also won three singles and three doub ...
in the second round. Two weeks later in
Toronto Toronto ( , locally pronounced or ) is the List of the largest municipalities in Canada by population, most populous city in Canada. It is the capital city of the Provinces and territories of Canada, Canadian province of Ontario. With a p ...
, she qualified for her second straight $50k main draw, but was once again stopped in the second round, by eventual winner CiCi Bellis.


2017

In January, Sebov qualified and reached the semifinals of the $25k tournament in
Orlando Orlando commonly refers to: * Orlando, Florida, a city in the United States Orlando may also refer to: People * Orlando (given name), a masculine name, includes a list of people with the name * Orlando (surname), includes a list of people wit ...
. Two weeks later, she qualified for the $100k
Midland Classic Diamond East Midlands, formerly Midland Classic, is a bus company from Burton upon Trent, Staffordshire, England. Since August 2022, the company is a subsidiary of Rotala. History Midland Classic Midland Classic was founded in July 2005 by Ja ...
and defeated world No. 121,
Verónica Cepede Royg Verónica Cepede Royg (; born 21 January 1992) is a Paraguayan former tennis player. On 7 August 2017, she reached her highest WTA singles ranking of No. 73. Her best doubles ranking is No. 85, achieved on 19 September 2016. Cepede Royg has wo ...
, in the opening round. She next played
Sofya Zhuk Sofya Andreyevna Zhuk ( rus, Софья Андреевна Жук, , ˈsofʲjə ɐnˈdrʲe(j)ɪvnə ˈʐuk; born 1 December 1999) is a Russian former tennis player. She won the 2015 Wimbledon girls' singles title. Career Early years Zhuk train ...
and defeated her in straight sets. In the quarterfinals, Sebov scored the biggest win of her career so far with a victory over world No. 97,
Varvara Lepchenko Varvara Petrivna Lepchenko (born May 21, 1986) is an Uzbekistani-born American professional tennis player. She is of Ukrainian descent and played for Uzbekistan before relocating to the United States. Lepchenko won a singles title on the WT ...
, her first top-100 win. She lost to world No. 98,
Naomi Broady Naomi Broady ( ; born 28 February 1990) is a British former tennis player. She won one WTA Tour doubles title, as well as nine singles titles and 20 doubles titles on the ITF Women's Circuit. On 7 March 2016, she reached her best singles ranki ...
, in the next round. Sebov was selected to represent Canada at the Fed Cup Americas Zone Group I in early February, along with
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 ...
,
Charlotte Robillard-Millette Charlotte Robillard-Millette (born January 12, 1999) is a Canadian former professional tennis player. She reached a career-high singles ranking of world No. 532 September 2017 and a career-high WTA doubles ranking of 231 on 15 May 2017. She achie ...
and
Carol Zhao Carol Zhao (born June 20, 1995) is a Chinese-Canadian tennis player. She reached her highest WTA singles ranking of No. 131 in June 2018, and her career-high junior rank of No. 9 on January 1, 2013. She won the Australian Open junior doubles titl ...
, and made her debut with wins over
María Fernanda Álvarez Terán María Fernanda Álvarez Terán (; born 28 February 1989), also known as MFAT, is a former tennis player from Bolivia. Álvarez was ranked No. 15 in the junior rankings in 2007. She won tournaments including doubles at the Copa Gatorade, Copa ...
of Bolivia,
Montserrat González Montserrat González Benítez (; born 1 July 1994) is a Paraguayan former tennis player. In her career, González won eleven singles titles and eight doubles titles on the ITF Women's Circuit The ITF Women's World Tennis Tour, previously kn ...
of Paraguay and
Bárbara Gatica Bárbara Gatica (born 16 August 1996) is a banned Chilean tennis player. She has career-high WTA rankings of 201 in singles, achieved on 18 July 2022, and 158 in doubles, reached the same week. To date, Gatica has won two singles titles and 18 ...
of Chile. She ended the ties with a 4–0 overall record and helped Canada reach the World Group II Play-offs. In late February, at the $25k event in Rancho Santa Fe, she advanced to the semifinals where she lost to the first seed
Kayla Day Kayla Day (born September 28, 1999) is an American professional tennis player. She has a career-high singles ranking of world No. 84 by the WTA. As a junior, she won one junior Grand Slam title, at the 2016 US Open. There, she finished runner- ...
. In July, she reached her first professional final at the $60k
Challenger de Granby Championnats Banque Nationale de Granby (formerly Challenger de Granby) is a professional tennis tournament played on outdoor hardcourts. It is currently part of the ATP Challenger Tour and the ITF Women's World Tennis Tour The ITF Women's Wo ...
but was defeated by
Cristiana Ferrando Cristiana Ferrando (born 10 August 1995) is an inactive Italian tennis player. On 23 May 2022, she reached her best singles ranking of world No. 247. On 2 October 2017, she peaked at No. 302 in the doubles rankings. Ferrando has won four singles ...
.


2018

In March, at a $25k tournament in
Toyota is a Japanese Multinational corporation, multinational Automotive industry, automotive manufacturer headquartered in Toyota City, Aichi, Japan. It was founded by Kiichiro Toyoda and incorporated on August 28, 1937. Toyota is the List of manuf ...
, Sebov reached her second final, losing to
Dejana Radanović Dejana Radanović ( sr-cyr, Дејана Радановић; born 14 May 1996) is a Serbian tennis player. Radanović has won 12 singles titles and three doubles titles on the ITF Women's Circuit. On 2 July 2018, she reached her best WTA singl ...
in three sets.


2021–25: WTA Tour, Grand Slam tournament & top 150 debuts

Sebov made her
WTA Tour The WTA Tour (also known as the Hologic WTA Tour for sponsorship reasons) is a worldwide top-tier tennis tour for women and organized by the Women's Tennis Association. The second-tier tour is the WTA 125 series, and third-tier is the ITF Wome ...
main-draw debut as a qualifier at the 2021 Chicago Open, losing to
Marta Kostyuk Marta Olehivna Kostyuk ( ; born 28 June 2002) is a Ukrainian professional tennis player. She has career-high WTA rankings of world No. 16 in singles, achieved on 17 June 2024 and No. 27 in doubles, achieved on 8 May 2023. On the WTA Tour, she h ...
in the first round. She made her WTA 1000 debut at the 2022 Canadian Open as a wildcard. She qualified for her major main-draw debut at the
2023 Australian Open The 2023 Australian Open was a Grand Slam level tennis tournament held at Melbourne Park, from 16–29 January 2023. It was the 111th edition of the Australian Open, the 55th in the Open Era, and the first major of the year. The tournament ...
. Ranked No. 172, she made her debut at the
2023 Miami Open The 2023 Miami Open was a professional hardcourt tennis tournament played from March 21 to April 2, 2023, on the grounds of Hard Rock Stadium in Miami Gardens, Florida in the United States. It was the 38th edition of the men's and women's event ...
also as a qualifier, and defeated
Linda Fruhvirtová Linda Fruhvirtová (; born 1 May 2005) is a Czech professional tennis player. On 26 June 2023, she reached a career-high singles WTA rankings, ranking of world No. 49. She peaked at No. 187 in the doubles rankings in October 2023. She made ...
for her first WTA 1000 and top-50 win, before losing to third seed
Jessica Pegula Jessica Pegula (born February 24, 1994) is an American professional tennis player. She has career-high rankings in singles of world No. 3, achieved October 2022, and in doubles of world No. 1, set on 11 September 2023. Pegula reached the single ...
in the second round. Sebov qualified for the
2025 Charleston Open The 2025 Charleston Open (branded as the Credit One Charleston Open for sponsorship reasons) was a professional women's tennis tournament played on outdoor clay courts at the Family Circle Tennis Center on Daniel Island in Charleston, South Caroli ...
but was double bageled by
Katie Volynets Katie Volynets (born December 31, 2001) is an American professional tennis player. She has a career-high singles ranking of world No. 56 by the WTA, achieved on July 29, 2024. Early life Volynets was born in Walnut Creek, California. Her paren ...
in the first round.


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 Charleston Open.''


ITF Circuit finals


Singles: 12 (5 titles, 7 runner-ups)


Doubles: 1 (title)


Notes


References


External links

* {{DEFAULTSORT:Sebov, Katherine 1999 births Living people Canadian female tennis players Canadian people of Ukrainian descent Tennis players from Toronto 21st-century Canadian sportswomen