2025 Keio Challenger
| 2025 Keio Challenger | |
|---|---|
| Date | 17 – 23 November (men's) 24 – 30 November (women's) |
| Edition | 18th (men's) 8th (women's) |
| Category | ATP Challenger Tour ITF Women's World Tennis Tour |
| Surface | Hard |
| Location | Yokohama, Japan |
| 2024 Champions | |
| Men's singles | |
 Yuta Shimizu | |
| Women's singles | |
 Aliona Falei | |
| Men's doubles | |
 Benjamin Hassan /  Saketh Myneni | |
| Women's doubles | |
| Momoko Kobori / Ayano Shimizu | |
The 2025 Yokohama Keio Challenger was a professional tennis tournament played on hardcourts. It was the 18th (men's) and 8th (women's) editions of the tournament and part of the 2025 ATP Challenger Tour and the 2025 ITF Women's World Tennis Tour. It took place in Yokohama, Japan between 17 and 30 November 2025.
Men's singles main-draw entrants
[edit]Seeds
[edit]| Country | Player | Rank1 | Seed |
|---|---|---|---|
| JPN
|
Kei Nishikori | 159 | 1 |
| JPN
|
Rei Sakamoto | 180 | 2 |
 SWE
|
Elias Ymer | 191 | 3 |
 GBR
|
Oliver Crawford | 193 | 4 |
 TPE
|
Hsu Yu-hsiou | 220 | 5 |
| JPN
|
Yuta Shimizu | 249 | 6 |
| JPN
|
Yasutaka Uchiyama | 305 | 7 |
| JPN
|
Kaichi Uchida | 309 | 8 |
- 1 Rankings are as of 10 November 2025.[1]
Other entrants
[edit]The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Champions
[edit]Men's singles
[edit]
vs.
Women's singles
[edit]- vs.
Men's doubles
[edit]- / vs. /
Women's doubles
[edit]- / vs. /
References
[edit]- ^ "Rankings | Singles | ATP Tour | Tennis". ATP Tour.