Level, 1 wins each over 2 singles meetings since 2022. Last meeting on 28/10/2026 at M15 Yanagawa City.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 28/10/2026 | M15 Yanagawa City | Round 1 | hard | Kumasaka | 6-4 5-3 |
| 08/09/2022 | M25 Sapporo | Round 2 | hard | Tanuma | 6-2 6-1 |
| hard | Tanuma 1 - 1 Kumasaka |
| 2026 | Tanuma 0 - 1 Kumasaka |
| 2022 | Tanuma 1 - 0 Kumasaka |
109 wins, 77 losses since 2021 (58.6%).
Last matches: D D D V V
162 wins, 110 losses since 2021 (59.6%).
Last matches: D V V V V
Level, 1 wins each over 2 singles meetings since 2022.
On 28/10/2026, at M15 Yanagawa City (Round 1): Takuya Kumasaka won 6-4 5-3.