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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 | ||
| Tunisia: Monastir - Singles - Main | |||||||
| 1/8-finals | Gea A. | Kumstat J. | 2:0 (6:3, 6:4) | details | 30.10.2025 | ||
| 1/16-finals | Ouakaa A. | Kumstat J. | 1:2 (6:2, 2:6, 3:6) | details | 28.10.2025 | ||
| Tunisia: M15 Monastir 37 - Singles - Main | |||||||
| 1/16-finals | Kumstat J. | Molder M. | 0:2 (66:7, 4:6) | details | 01.10.2025 | ||
| Czech Republic: M25 Pardubice - Singles - Main | |||||||
| Semi-finals | Krumich M. | Kumstat J. | 2:0 (7:5, 6:2) | details | 27.09.2025 | ||
| Quarter-finals | Kumstat J. | Moeller M. | 2:0 (7:5, 6:4) | details | 27.09.2025 | ||
| 1/8-finals | Vanshelboim E. | Kumstat J. | 0:2 (4:6, 4:6) | details | 26.09.2025 | ||
| 1/16-finals | Kumstat J. | Doskocil M. | 2:0 (6:4, 6:2) | details | 24.09.2025 | ||
 USA: US Open - Singles - Main | |||||||
| 1/8-finals | Vasilev A. | Kumstat J. | 2:1 (7:5, 4:6, 7:67) | details | 03.09.2025 | ||
| 1/16-finals | Goode G. | Kumstat J. | 0:2 (2:6, 4:6) | details | 02.09.2025 | ||
| 1/32-finals | Kumstat J. | Arseneault N. | 2:0 (6:2, 7:63) | details | 01.09.2025 | ||
 Italy: Todi - Singles - Main | |||||||
| 1/16-finals | Kumstat J. | Carboni L. | CAN. | details | 12.08.2025 | ||
 Slovenia: M15 Slovenska Bistrica - Singles - Main | |||||||
| Final | Kumstat J. | Martin Manzano J. C. | 1:1 RET. (4:6, 7:63, 1:4) | details | 10.08.2025 | ||
| Semi-finals | Kumstat J. | Fiorentini A. | 2:0 (7:65, 6:1) | details | 09.08.2025 | ||
| Quarter-finals | Michalik R. | Kumstat J. | 0:2 (2:6, 4:6) | details | 08.08.2025 | ||
| 1/8-finals | Tadic V. | Kumstat J. | 0:2 (2:6, 2:6) | details | 07.08.2025 | ||
| 1/16-finals | Homola P. | Kumstat J. | 0:2 (4:6, 0:6) | details | 06.08.2025 | ||
| Italy: M15 Segrate - Singles - Main | |||||||
| Final | Kumstat J. | Weis A. | 1:2 (4:6, 7:66, 1:6) | details | 27.07.2025 | ||
| Semi-finals | Kumstat J. | Mazza M. | 0:0 RET. (0:1) | details | 27.07.2025 | ||
| Quarter-finals | Marmousez L. | Kumstat J. | 0:2 (5:7, 61:7) | details | 25.07.2025 | ||
| 1/8-finals | Kumstat J. | Ferrari G. | 2:0 (6:3, 6:4) | details | 24.07.2025 | ||
| 1/16-finals | Kumstat J. | Tabacco F. | 2:1 (7:64, 5:7, 6:4) | details | 23.07.2025 | ||
 United Kingdom: Wimbledon - Singles - Main | |||||||
| 1/16-finals | Kennedy J. | Kumstat J. | 2:0 (7:64, 7:68) | details | 08.07.2025 | ||
| 1/32-finals | Kumstat J. | Tyagi K. | 2:0 (6:3, 6:3) | details | 05.07.2025 | ||
| Czech Republic: M25 Ceska Lipa - Singles - Main | |||||||
| 1/8-finals | Kumstat J. | Krumich M. | 1:2 (6:2, 3:6, 3:6) | details | 12.06.2025 | ||
| 1/16-finals | Kumstat J. | Orlov V. | 2:0 (7:65, 6:2) | details | 10.06.2025 | ||
- 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 | ||
| Czech Republic: M25 Pardubice - Doubles - Main | |||||||
| 1/8-finals | Cizek J./Paty D. | Klimas J./Kumstat J. | 2:1 (68:7, 6:4, 10:4) | details | 23.09.2025 | ||
| USA: US Open - Doubles - Main | |||||||
| 1/16-finals | Exsted M./Kumstat J. | Antonius M./Farzam M. | 1:2 (7:62, 3:6, 9:11) | details | 02.09.2025 | ||
| Slovenia: M15 Slovenska Bistrica - Doubles - Main | |||||||
| Semi-finals | Klimas J./Kumstat J. | Van Herck L./Vankan M. | 0:2 (3:6, 5:7) | details | 08.08.2025 | ||
| Quarter-finals | Hrazdil J./Ramskogler G. | Klimas J./Kumstat J. | 0:2 (3:6, 5:7) | details | 07.08.2025 | ||
| 1/8-finals | Krajnc M./Skof G. | Klimas J./Kumstat J. | 0:2 (0:6, 1:6) | details | 06.08.2025 | ||
| Czech Republic: Liberec - Doubles - Main | |||||||
| Quarter-finals | Brunclik P./Kumstat J. | Paulson A./Vrbensky M. | 0:2 (62:7, 64:7) | details | 31.07.2025 | ||
| 1/8-finals | Cerny M./Kucera J. | Brunclik P./Kumstat J. | 0:2 (4:6, 4:6) | details | 30.07.2025 | ||
| United Kingdom: Wimbledon - Doubles - Main | |||||||
| Quarter-finals | Exsted M./Kumstat J. | Paldanius O./Wazny A. | 0:2 (4:6, 65:7) | details | 10.07.2025 | ||
| 1/8-finals | Johnston N./Willwerth B. | Exsted M./Kumstat J. | 0:2 (4:6, 4:6) | details | 09.07.2025 | ||
| 1/16-finals | Lagerbohm L./Rybkin S. | Exsted M./Kumstat J. | 0:2 (3:6, 2:6) | details | 07.07.2025 | ||
| Czech Republic: M25 Ceska Lipa - Doubles - Main | |||||||
| Final | Orlov V./Romano F. | Kumstat J./Poljak D. | 2:0 (7:64, 6:1) | details | 14.06.2025 | ||
| Semi-finals | Kumstat J./Poljak D. | Baum S./Kalina V. | 2:1 (5:7, 6:1, 10:5) | details | 13.06.2025 | ||
| Quarter-finals | Kumstat J./Poljak D. | Einig F./Paroulek F. | 2:0 (6:3, 6:3) | details | 12.06.2025 | ||
| 1/8-finals | Jupa J./Vrba J. | Kumstat J./Poljak D. | 0:2 (3:6, 2:6) | details | 11.06.2025 | ||
| 1/8-finals | Novak D./Otte O. | Kumstat J./Poljak D. | CAN. | details | 11.06.2025 | ||
