USA: US Open - Singles - Main
Italy: Todi - Singles - Main
Slovenia: M15 Slovenska Bistrica - Singles - Main
United Kingdom: Wimbledon - Singles - Main
Select tournament type
Kumstat Jan Stats, Results & Fixtures
- Show:
 Greece: Athens 2 - Singles - Main | |||||||
|---|---|---|---|---|---|---|---|
| 1/8-finals | Kumstat J. | Geerts M. | 0:2 (62:7, 1:6) | details | 27.11.2025 | ||
| 1/16-finals | Kumstat J. | Kasnikowski M. | 2:1 (7:5, 4:6, 6:1) | details | 25.11.2025 | ||
| Greece: Athens 2 - Singles - Qualification | |||||||
| Final | Kumstat J. | Casanova A. | 2:0 (6:0, 6:1) | details | 24.11.2025 | ||
 France: Lyon 2 - Singles - Main | |||||||
| 1/16-finals | Kumstat J. | Hanfmann Y. | 0:2 (1:6, 3:6) | details | 11.11.2025 | ||
 Tunisia: M25 Monastir 9 - Singles - Main | |||||||
| 1/16-finals | Kumstat J. | Pereira T. | 1:2 (2:6, 6:2, 4:6) | details | 05.11.2025 | ||
- Show:
| Greece: Athens 2 - Doubles - Main | |||||||
|---|---|---|---|---|---|---|---|
| 1/8-finals | Henning P./Lock C. | Jermar J./Kumstat J. | 2:0 (7:5, 7:5) | details | 26.11.2025 | ||
| Tunisia: M15 Monastir 37 - Doubles - Main | |||||||
| Final | Freire Da Silva A./Ghazouani Durand Y. | Kumstat J./Pawlak P. | 0:2 (5:7, 3:6) | details | 04.10.2025 | ||
| Semi-finals | Molder M./Troost S. | Kumstat J./Pawlak P. | 0:2 (1:6, 2:6) | details | 03.10.2025 | ||
| Quarter-finals | Corbinais S./Ifi N. | Kumstat J./Pawlak P. | 0:2 (3:6, 2:6) | details | 02.10.2025 | ||
| 1/8-finals | Sahtali T./Schoen P. | Kumstat J./Pawlak P. | 0:2 (3:6, 66:7) | details | 30.09.2025 | ||
