Jan Kumstat leads 2 to 0 over 2 singles meetings since 2026. Last meeting on 19/08/2026 at Prague Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 19/08/2026 | Prague Challenger | Round 2 | clay | Kumstat | 7-5 6-3 |
| 01/08/2026 | Liberec Challenger | Semi-final | clay | Kumstat | 7-5 6-4 |
| clay | Nagal 0 - 2 Kumstat |
| 2026 | Nagal 0 - 2 Kumstat |
161 wins, 150 losses since 2021 (51.8%).
Last matches: V D V D D
74 wins, 47 losses since 2021 (61.2%).
Last matches: D D V D V
Jan Kumstat leads 2 to 0 over 2 singles meetings since 2026.
On 19/08/2026, at Prague Challenger (Round 2): Jan Kumstat won 7-5 6-3.