Keio Challenger - Wikipedia

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Keio Challenger
2024 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 $40,000

The Keio Challenger is a professional tennis tournament played on hardcourts.^[1] It is currently part of the ATP Challenger Tour and the ITF Women's Circuit.^[2] Having been held in Yokohama, Japan since 1999, the women's edition of the event was introduced in 2017.^[3][4]

Year	Champion	Runner-up	Score
2024	Yuta Shimizu	Li Tu	6–7(4–7), 6–4, 6–2
2023	Yosuke Watanuki	Yuta Shimizu	7–6(7–5), 6–4
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

Year	Champions	Runners-up	Score
2024	Benjamin Hassan Saketh Myneni	Blake Bayldon Calum Puttergill	6–2, 6–4
2023	Filip Bergevi Mick Veldheer	Ray Ho Calum Puttergill	2–6, 7–5, [11–9]
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

Year	Champion	Runner-up	Score
2024	Aliona Falei	Hina Inoue	3–6, 6–1, 6–4
2023	Aliona Falei	Ayano Shimizu	6–3, 7–5
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

Year	Champions	Runners-up	Score
2024	Momoko Kobori Ayano Shimizu	Cho I-hsuan Cho Yi-tsen	6–4, 7–6(7–2)
2023	Liang En-shuo Tang Qianhui	Aoi Ito Natsumi Kawaguchi	Walkover
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

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