Level, 1 wins each over 2 singles meetings since 2024. Last meeting on 25/04/2025 at M15 Osaka.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 25/04/2025 | M15 Osaka | Quarter-final | hard | Imai | |
| 13/09/2024 | M25 Sapporo | Quarter-final | hard | Kumasaka | 2-6 6-2 6-3 |
| hard | Imai 1 - 1 Kumasaka |
| 2025 | Imai 1 - 0 Kumasaka |
| 2024 | Imai 0 - 1 Kumasaka |
125 wins, 82 losses since 2021 (60.4%).
Last matches: D V V D D
155 wins, 108 losses since 2021 (58.9%).
Last matches: D D D V D
Level, 1 wins each over 2 singles meetings since 2024.
On 25/04/2025, at M15 Osaka (Quarter-final): Shintaro Imai won.