Level, 1 wins each over 2 singles meetings since 2025. Last meeting on 30/08/2026 at Zhangjiagang Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 30/08/2026 | Zhangjiagang Challenger | Qualifying 1 | hard | Charlton | 6-3 5-4 |
| 24/07/2025 | M15 Nakhon Pathom | Round 2 | hard | Kumasaka | 7-6(7) 2-6 3-6 |
| hard | Charlton 1 - 1 Kumasaka |
| 2026 | Charlton 1 - 0 Kumasaka |
| 2025 | Charlton 0 - 1 Kumasaka |
100 wins, 90 losses since 2021 (52.6%).
Last matches: D V D V V
155 wins, 107 losses since 2021 (59.2%).
Last matches: D D V D D
Level, 1 wins each over 2 singles meetings since 2025.
On 30/08/2026, at Zhangjiagang Challenger (Qualifying 1): Joshua Charlton won 6-3 5-4.