The 2023

Keio Challenger The Keio Challenger is a professional tennis tournament played on hardcourts. It is currently part of the ATP Challenger Tour and the ITF Women's Circuit. Having been held in Yokohama is the second-largest city in Japan by population and ...

was a professional

tennis Tennis is a racket sport that is played either individually against a single opponent ( singles) or between two teams of two players each ( doubles). Each player uses a tennis racket that is strung with cord to strike a hollow rubber ball c ...

tournament played on

hard courts A hardcourt (or hard court) is a 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 surface and ...

. It was the 16th (men's) and 6th (women's) editions of the tournament and part of the

2023 ATP Challenger Tour The Association of Tennis Professionals (ATP) ATP Challenger Tour, Challenger Tour in 2023 in tennis, 2023 was the secondary professional tennis circuit organized by the ATP. The 2023 ATP Challenger Tour calendar comprised 196 tournaments, with pr ...

and the

2023 ITF Women's World Tennis Tour The 2023 International Tennis Federation (ITF) Women's World Tennis Tour is the entry-level and mid-level tour for women's professional tennis. It is organized by the International Tennis Federation and is a tier below the Women's Tennis Associ ...

. It took place in

Yokohama is the second-largest city in Japan by population and the most populous municipality of Japan. It is the capital city and the most populous city in Kanagawa Prefecture, with a 2020 population of 3.8 million. It lies on Tokyo Bay, south of ...

, Japan between 20 November and 3 December 2023.

Men's singles main-draw entrants

Seeds

* ¹ Rankings are as of 13 November 2023.

Other entrants

The following players received wildcards into the singles main draw: *

Masamichi Imamura Masamichi Imamura (born 23 November 1998) is a Japanese tennis player. Imamura has a career high ATP ATP may refer to: Companies and organizations * Association of Tennis Professionals, men's professional tennis governing body * American ...

* Rio Noguchi *

Rei Sakamoto Rei or REI may refer to: Arts and entertainment *Rei, a story arc of the anime ''Higurashi When They Cry'' *Rei, a shapeshifting godlike dragon in the Australian webcomic series ''Vainglorious'' *Rei I, II and III, episodes of ''Neon Genesis Eva ...

The following player received entry into the singles main draw as an alternate: *

Altuğ Çelikbilek Altuğ Çelikbilek (; born 7 September 1996) is a Turkish professional tennis player. Çelikbilek has a career high ATP singles ranking of World No. 154 achieved on 21 February 2022. He also has a career high ATP doubles ranking of World No. 224 ...

The following players received entry from the qualifying draw: *

August Holmgren August Holmgren may refer to: * August Holmgren (zoologist) (1829–1888), Swedish entomologist * August Holmgren (tennis) (born 1998), Danish tennis player {{hndis, Holmgren, August ...

Kalin Ivanovski Kalin Ivanovski (born 11 May 2004) is a Macedonian tennis player. Ivanovski has a career high ATP singles ranking of 534 achieved on 30 January 2023. He also has a career high ATP doubles ranking of 1057 achieved on 31 October 2022. Ivanovski ...

Omar Jasika Omar Jasika (; born 18 May 1997) is an Australian tennis player. He is the 2014 US Open boys' singles champion defeating Quentin Halys in the final. Jasika along with Naoki Nakagawa also won the 2014 US Open boys' doubles title after defeating ...

Naoki Nakagawa is a Japanese tennis player. Nakagawa has a career high ATP singles ranking of world No, 531 achieved on 24 July 2017. He also has a career high ATP doubles ranking of world No. 726 achieved on 30. July 2018. As a junior, Nakagawa reached his ...

* Colin Sinclair *

Yasutaka Uchiyama is a Japanese tennis player playing on the ATP Challenger Tour. He achieved a career-high ATP singles ranking of world No. 78 on 04 November 2019 and doubles ranking of No. 102 on 20 August 2018. He has won eight ITF Futures singles titles and ...

The following players received entry as lucky losers: *

Chung Yun-seong Chung Yun-seong ( ko, 정윤성; born 27 March 1998) is a South Korean tennis player. Chung has a career high ATP singles ranking of No. 233 achieved on 22 July 2019. He also has a career high ATP doubles ranking of No. 129 achieved on 22 Ma ...

* Mathys Erhard *

Giovanni Fonio Giovanni Fonio (born 7 May 1998) is an Italian tennis player. Fonio has a career high ATP singles ranking of 435 achieved on 25 October 2021. He also has a career high doubles ranking of 475 achieved on 10 February 2020. Fonio has won 1 ATP Chal ...

Champions

Men's singles

Yosuke Watanuki is a Japanese tennis player. He has a career-high ATP ranking of World No. 138 achieved on 9 January 2023 and a doubles ranking of No. 374 achieved on 7 January 2019. He is currently the No. 3 Japanese player. Juniors On the junior tour, Wata ...

def.

Yuta Shimizu Yuta Shimizu (born 9 June 1999) is a Japanese tennis player. Shimizu has a career high ATP singles ranking of world No. 241 achieved on 19 June 2023. He also has a career high ATP doubles ranking of No. 143 achieved on 12 June 2023. Shimizu repr ...

7–6^(7–5), 6–4.

Women's singles

Aliona Falei Aliona Falei ( be, Алена Фалей born 29 March 2004) is a Belarusian professional tennis player. Falei has career-high WTA rankings of 197 in singles and 472 in doubles. She has won four singles titles and three doubles titles on the IT ...

def.

Ayano Shimizu is a Japanese tennis player. Shimizu has a career-high singles ranking of 175 by the Women's Tennis Association (WTA), achieved in May 2019, and a best WTA doubles ranking of 145, set in October 2018. Shimizu has won six singles and eight doub ...

, 6–3, 7–5

Men's doubles

Filip Bergevi Filip Bergevi (born 20 April 1994) is a Swedish tennis player. Bergevi has a career high ATP singles ranking of 568 achieved in 2019. His career high ATP doubles ranking is 389 achieved in 2021. Career Bergevi made his ATP main draw debut at the ...

Mick Veldheer Mick Veldheer (born 5 April 1996) is a Dutch tennis player. He has a career high ATP doubles ranking of world No. 126 achieved on 27 May 2024. He also has a career high ATP singles ranking of No. 509 achieved on 24 August 2020. Veldheer has won 2 ...

def.

Ray Ho Ray Ho (born 13 February 2000) is a Taiwanese tennis player. Ho has a career high ATP singles ranking of 715 achieved on 18 July 2022. He also has a career high ATP doubles ranking of 297 achieved on 05 December 2022. Ho represents Chinese Taip ...

/ Calum Puttergill 2–6, 7–5, 1–9

Women's doubles

Liang En-shuo Liang En-shuo (; ; in Chinese mainland born 2 October 2000) is a tennis player from Taiwan. She has a career-high singles ranking of world No. 150, achieved on 13 May 2019. On 20 February 2023, she peaked at No. 165 in the doubles rankings. L ...

Tang Qianhui Tang Qianhui (; ; born 10 September 2000) is an inactive Chinese tennis player. Tang has a career-high singles ranking of world No. 617, achieved on 24 June 2019. She peaked at No. 109 in the doubles rankings on 3 February 2020. Tang has won ...

def.

Aoi Ito Aoi Ito (born 21 May 2004) is a Japanese tennis Tennis is a racket sport that is played either individually against a single opponent ( singles) or between two teams of two players each ( doubles). Each player uses a tennis racket that i ...

Natsumi Kawaguchi is a Japanese tennis player. She has achieved a career-high ITF juniors ranking of 41 in the world. Kawaguchi and her partner Adrienn Nagy won the 2019 Australian girls' doubles title beating Emma Navarro and Chloe Beck Chloe Beck (born A ...

, Walkover

References

{{DEFAULTSORT:Keio Challenger, 2023 2023 ATP Challenger Tour 2023 ITF Women's World Tennis Tour 2023 in Japanese tennis

2023 Events Predicted and scheduled events * January 1 ** In the United States, books, films, and other works published in 1927 will enter the public domain, assuming there are no changes made to copyright law. ** Croatia will adopt the eu ...

November 2023 sports events in Japan December 2023 sports events in Japan