Jan Kumstat leads 2 to 0 over 2 singles meetings since 2026. Last meeting on 17/07/2026 at Bunschoten Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 17/07/2026 | Bunschoten Challenger | Quarter-final | clay | Kumstat | 6-1 6-1 |
| 27/03/2026 | M15 Heraklion | Round 2 | hard | Kumstat | 3-6 7-5 10-7 |
| clay | Kumstat 1 - 0 Boogaard |
| hard | Kumstat 1 - 0 Boogaard |
| 2026 | Kumstat 2 - 0 Boogaard |
73 wins, 45 losses since 2021 (61.9%).
Last matches: D V V V V
35 wins, 26 losses since 2021 (57.4%).
Last matches: D D V V D
Jan Kumstat leads 2 to 0 over 2 singles meetings since 2026.
On 17/07/2026, at Bunschoten Challenger (Quarter-final): Jan Kumstat won 6-1 6-1.