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, Japan since 1999, the women's edition of the event was introduced in 2017.

Keio Challenger
2019 Keio Challenger
Tournament information
Event name	Keio Challenger
Location	Yokohama, Japan
Venue	Mamushidani Tennis Courts, Keio University
Surface	Hard
Website	Website
ATP Tour Category ATP Challenger Tour Draw 32S/32Q/16D Prize money $50,000+H
WTA Tour Category ITF Women's Circuit Draw 32S/32Q/16D Prize money $25,000

Past finals

Men's singles

Year	Champion	Runner-up	Score
2022	Christopher O'Connell	Yosuke Watanuki	6–1, 6–7^(5–7), 6–3
2020–21	Not held
2019	Kwon Soon-woo	Oscar Otte	7–6^(7–4), 6–3
2018	Yasutaka Uchiyama	Tatsuma Ito	2–6, 6–3, 6–4
2017	Yūichi Sugita	Kwon Soon-woo	6–4, 2–6, 7–6^(7–2)
2016	Not held
2015	Taro Daniel	Go Soeda	4–6, 6–3, 6–3
2014	John Millman	Kyle Edmund	6–4, 6–4
2013	Matthew Ebden	Go Soeda	2–6, 7–6^(7–3), 6–3
2012	Matteo Viola	Mirza Bašić	7–6^(7–3), 6–3
2010–11	Not held
2009	Takao Suzuki	Martin Fischer	6–4, 7–6^(7−5)
2008	Lee Hyung-taik	Go Soeda	7–5, 6–3
2007	Dudi Sela	Takao Suzuki	6–7^(5−7), 6–4, 6–2
2003–06	Not held
2002	Lee Hyung-taik	John van Lottum	2–6, 7–6^(7−2), 7–6^(8−6)
2001	Takao Suzuki	Gouichi Motomura	6–2, 6–7^(5−7), 7–6^(7−4)
2000	Eric Taino	Julian Knowle	7–6^(7−5), 6–4
1999	Lee Hyung-taik	Paradorn Srichaphan	6–3, 6–0

Men's doubles

Year	Champions	Runners-up	Score
2022	Victor Vlad Cornea   Ruben Gonzales	Tomoya Fujiwara   Masamichi Imamura	7–5, 6–3
2020–21	Not held
2019	Moez Echargui   Skander Mansouri	Max Purcell   Luke Saville	7–6^(8–6), 6–7^(3–7), [10–7]
2018	Tobias Kamke   Tim Pütz	Sanchai Ratiwatana   Sonchat Ratiwatana	3–6, 7–5, [12–10]
2017	Marin Draganja   Tomislav Draganja	Joris De Loore   Luke Saville	4–6, 6–3, [10–4]
2016	Not held
2015	Sanchai Ratiwatana   Sonchat Ratiwatana	Riccardo Ghedin   Yi Chu-huan	6–4, 6–4
2014	Bradley Klahn   Matt Reid	Marcus Daniell   Artem Sitak	4–6, 6–4, [10–7]
2013	Bradley Klahn   Michael Venus	Sanchai Ratiwatana   Sonchat Ratiwatana	7–5, 6–1
2012	Prakash Amritraj   Philipp Oswald	Sanchai Ratiwatana   Sonchat Ratiwatana	6–3, 6–4
2010–11	Not Held
2009	Yang Tsung-hua   Yi Chu-huan	Alexey Kedryuk   Junn Mitsuhashi	6–7^(9−11), 6–3, [12–10]
2008	Tomáš Cakl   Marek Semjan	Brendan Evans   Martin Slanar	6–3, 7–6^(7−1)
2007	Hiroki Kondo   Go Soeda	Satoshi Iwabuchi   Toshihide Matsui	6–7^(5−7), 6–3, [11–9]
2003–06	Not held
2002	Lu Yen-hsun   Danai Udomchoke	Ivo Karlović   Mark Nielsen	7–6^(7−5), 6–3
2001	Takao Suzuki   Mitsuru Takada	Marco Chiudinelli   Sebastian Jäger	6–3, 6–4
2000	Yves Allegro   Julian Knowle	Tim Crichton   Ashley Fisher	6–3, 7–6^(7−2)
1999	Satoshi Iwabuchi   Thomas Shimada	Michael Joyce   Kyle Spencer	6–2, 6–4

Women's singles

Year	Champion	Runner-up	Score
2022	Han Na-lae	Miyu Kato	7–5, 6–0
2021	Not held
2020	Yuriko Miyazaki	Mai Hontama	7–5, 5–7, 6–2
2019	Greet Minnen	Elena-Gabriela Ruse	6–4, 6–1
2018	Veronika Kudermetova	Harriet Dart	6–2, 6–4
2017	Akiko Omae	Mayo Hibi	7–5, 6–2

Women's doubles

Year	Champions	Runners-up	Score
2022	Saki Imamura   Naho Sato	Han Na-lae   Mai Hontama	6–4, 4–6, [10–5]
2021	Not held
2020	Robu Kajitani   Naho Sato	Erina Hayashi   Kanako Morisaki	1–6, 6–4, [10–8]
2019	Choi Ji-hee   Han Na-lae	Rutuja Bhosale   Akiko Omae	6–1, 7–5
2018	Laura Robson   Fanny Stollár	Momoko Kobori   Chihiro Muramatsu	5–7, 6–2, [10–4]
2017	Ayaka Okuno   Erika Sema	Kanako Morisaki   Minori Yonehara	6–4, 6–4

External links

• Official website