Kosuke Ogura leads 2 to 1 over 3 singles meetings since 2021. Last meeting on 13/09/2026 at Guangzhou Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 13/09/2026 | Guangzhou Challenger | Qualifying 1 | hard | Ogura | |
| 23/04/2025 | M15 Osaka | Round 1 | hard | Sumizawa | 6-1 5-7 7-6(9) |
| 30/09/2021 | M15 Monastir | Round 2 | hard | Ogura | 2-6 6-3 2-6 |
| hard | Sumizawa 1 - 2 Ogura |
| 2026 | Sumizawa 0 - 1 Ogura |
| 2025 | Sumizawa 1 - 0 Ogura |
| 2021 | Sumizawa 0 - 1 Ogura |
138 wins, 120 losses since 2021 (53.5%).
Last matches: D V V V D
142 wins, 169 losses since 2021 (45.7%).
Last matches: D V D V V
Kosuke Ogura leads 2 to 1 over 3 singles meetings since 2021.
On 13/09/2026, at Guangzhou Challenger (Qualifying 1): Kosuke Ogura won.