2023 Keio Challenger
{{Multiple issues|
{{one source|date=December 2023}}
{{primary sources|date=December 2023}}
}}
{{Infobox tennis event|2023|Keio Challenger|
| date=20 – 26 November (men's)
27 November – 3 December (women's)
| edition=16th (men's)
6th (women's)
| category = ATP Challenger Tour
ITF Women's World Tennis Tour
| surface=Hard
| location=Yokohama, Japan
| champms= {{flagicon|JPN}} Yosuke Watanuki
| champmd={{flagicon|SWE}} Filip Bergevi / {{flagicon|NED}} Mick Veldheer
| champws= {{flagicon|}} Aliona Falei
| champwd={{flagicon|TPE}} Liang En-shuo / {{flagicon|CHN}} Tang Qianhui
}}
The 2023 Keio Challenger was a professional tennis tournament played on hard courts. It was the 16th (men's) and 6th (women's) editions of the tournament and part of the 2023 ATP Challenger Tour and the 2023 ITF Women's World Tennis Tour. It took place in Yokohama, Japan between 20 November and 3 December 2023.
Men's singles main-draw entrants
=Seeds=
| class="sortable wikitable" |
| width="70"| Country
! width="175"| Player ! Rank1 ! Seed |
|---|
| {{flag|JPN}}
|81 |1 |
| {{flag|AUT}}
|107 |2 |
| {{flag|USA}}
|109 |3 |
| {{flag|AUS}}
|113 |4 |
| | |
| {{flag|ITA}}
|128 |6 |
| {{flag|AUS}}
|158 |7 |
| {{flag|SUI}}
|160 |8 |
- 1 Rankings are as of 13 November 2023.{{Cite web|url=http://www.atptour.com/en/rankings/singles|title=Rankings | Singles | ATP Tour | Tennis|website=ATP Tour}}
=Other entrants=
The following players received wildcards into the singles main draw:
- {{flagicon|JPN}} Masamichi Imamura
- {{flagicon|JPN}} Rio Noguchi
- {{flagicon|JPN}} Rei Sakamoto
The following player received entry into the singles main draw as an alternate:
- {{flagicon|TUR}} Altuğ Çelikbilek
The following players received entry from the qualifying draw:
- {{flagicon|DEN}} August Holmgren
- {{flagicon|MKD}} Kalin Ivanovski
- {{flagicon|AUS}} Omar Jasika
- {{flagicon|JPN}} Naoki Nakagawa
- {{flagicon|NMI}} Colin Sinclair
- {{flagicon|JPN}} Yasutaka Uchiyama
The following players received entry as lucky losers:
- {{flagicon|KOR}} Chung Yun-seong
- {{flagicon|FRA}} Mathys Erhard
- {{flagicon|ITA}} Giovanni Fonio
Champions
=Men's singles=
{{Main article|2023 Keio Challenger – Men's singles}}
- {{flagicon|JPN}} Yosuke Watanuki def. {{flagicon|JPN}} Yuta Shimizu 7–6(7–5), 6–4.
=Women's singles=
- {{flagicon|}} Aliona Falei def. {{flagicon|JPN}} Ayano Shimizu, 6–3, 7–5
=Men's doubles=
{{Main article|2023 Keio Challenger – Men's doubles}}
- {{flagicon|SWE}} Filip Bergevi / {{flagicon|NED}} Mick Veldheer def. {{flagicon|TPE}} Ray Ho / {{flagicon|AUS}} Calum Puttergill 2–6, 7–5, [11–9].
=Women's doubles=
- {{flagicon|TPE}} Liang En-shuo / {{flagicon|CHN}} Tang Qianhui def. {{flagicon|JPN}} Aoi Ito / {{flagicon|JPN}} Natsumi Kawaguchi, Walkover
References
{{reflist}}
{{2023 ATP Challenger Tour}}
{{2023 ITF Women's World Tennis Tour}}
{{DEFAULTSORT:Keio Challenger, 2023}}
Category:2023 ATP Challenger Tour
Category:2023 ITF Women's World Tennis Tour
Category:2023 in Japanese tennis