Level, 2 wins each over 4 singles meetings since 2021. Last meeting on 11/06/2026 at M15 Tokyo.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 11/06/2026 | M15 Tokyo | Round 2 | hard | Ichikawa | 4-6 6-4 5-3 |
| 30/07/2024 | M25 Taipei | Round 1 | hard | Kumasaka | 3-6 4-6 |
| 22/12/2023 | M15 Yanagawa | Quarter-final | hard | Ichikawa | 4-6 4-6 |
| 11/08/2021 | M15 Monastir | Round 1 | hard | Kumasaka | 4-6 5-7 |
| hard | Ichikawa 2 - 2 Kumasaka |
| 2026 | Ichikawa 1 - 0 Kumasaka |
| 2024 | Ichikawa 0 - 1 Kumasaka |
| 2023 | Ichikawa 1 - 0 Kumasaka |
| 2021 | Ichikawa 0 - 1 Kumasaka |
127 wins, 123 losses since 2021 (50.8%).
Last matches: D V D V D
155 wins, 107 losses since 2021 (59.2%).
Last matches: D D V D D
Level, 2 wins each over 4 singles meetings since 2021.
On 11/06/2026, at M15 Tokyo (Round 2): Taisei Ichikawa won 4-6 6-4 5-3.