Koki Watanabe
Badminton player from Japan, born 29 January 1999 in Koshigaya, Saitama, Japan.
| Age | 27 |
|---|---|
| Country | Japan |
| Event | Men's singles |
| Plays | Right |
| Current ranking | 15 (27 October 2026) |
| Highest ranking | 11 (22 October 2024) |
| Career record | 211 wins, 135 losses () |
Medals
Sudirman Cup
- Bronze, 2025 Xiamen (Mixed team)
Asian Games
- Bronze, 2022 Hangzhou (Men's team)
Asia Team Championships
- Gold, 2026 Qingdao (Men's team)
- Bronze, 2020 Manila (Men's team)
- Bronze, 2024 Selangor (Men's team)
World Junior Championships
- Bronze, 2015 Lima (Boys' singles)
- Bronze, 2016 Bilbao (Mixed team)
Asian Junior Championships
- Bronze, 2015 Bangkok (Mixed team)
- Bronze, 2016 Bangkok (Mixed team)
Playing now
- Japan Masters (Men's singles), 10–15 November 2026
Finals on CSW Badminton
| Event | Result | Score |
|---|---|---|
| Japan Masters 2026 | Runner-up to Lakshya Sen | 13–21, 21–18, 21–14 |
| Japan Open 2026 | Runner-up to Christo Popov | 21–11, 21–19 |
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