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 |
75 wins, 48 losses since 2021 (61.0%).
Last matches: V D D D V
39 wins, 31 losses since 2021 (55.7%).
Last matches: D V V D V
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.