Australia: Australian Open - Doubles - Main |
| Final | Milic O./Pleshivtsev E. | Exsted M./Kumstat J. | 0:2 (66:7, 3:6) | dettagli | 24.01.2025 |
| Semi-finals | de Marchi A./Rejchtman Vinciguerra W. | Exsted M./Kumstat J. | 1:2 (3:6, 7:62, 8:10) | dettagli | 23.01.2025 |
| Quarter-finals | Johnston N./Willwerth B. | Exsted M./Kumstat J. | 1:2 (7:66, 2:6, 9:11) | dettagli | 22.01.2025 |
| 1/8-finals | Farzam M./Host T. | Exsted M./Kumstat J. | 0:2 (1:6, 5:7) | dettagli | 21.01.2025 |
| 1/16-finals | Berge A./Haita S. H. | Exsted M./Kumstat J. | 1:2 (6:2, 3:6, 2:10) | dettagli | 19.01.2025 |
Czech Republic: Pardubicka juniorka - Doubles - Main |
| Final | Klimas J./Kumstat J. | Sklenicka S./Kucera J. | 2:0 (6:2, 6:4) | dettagli | 25.07.2024 |
| Semi-finals | Klimas J./Kumstat J. | Burda O. P./Chodora R. | 2:0 (6:2, 6:4) | dettagli | 24.07.2024 |
| Quarter-finals | Klimas J./Kumstat J. | Petrofsky D./Dvorak L. | 2:1 (5:7, 6:4, 11:9) | dettagli | 23.07.2024 |
| 1/8-finals | Klimas J./Kumstat J. | Frohlich M./Frohlich J. | 2:0 (6:4, 6:3) | dettagli | 22.07.2024 |
United Kingdom: Wimbledon - Doubles - Main |
| Final | Razeghi A./Schoenhaus M. | Klimas J./Kumstat J. | 2:0 (7:61, 6:4) | dettagli | 14.07.2024 |
| Semi-finals | Klimas J./Kumstat J. | Exsted M./Woestendick C. | 2:0 (6:4, 7:5) | dettagli | 13.07.2024 |
| Quarter-finals | Klimas J./Kumstat J. | Jodar R./Santamarta Roig A. | 2:1 (4:6, 7:62, 10:7) | dettagli | 12.07.2024 |
| 1/8-finals | Maksimovic M./Papamalamis T. | Klimas J./Kumstat J. | 0:2 (69:7, 67:7) | dettagli | 11.07.2024 |
| 1/16-finals | Karahan A./Roh H. | Klimas J./Kumstat J. | 1:2 (1:6, 6:3, 2:10) | dettagli | 08.07.2024 |
Czech Republic: Pardubicka juniorka - Doubles - Main |
| Semi-finals | Klimas J./Kumstat J. | Pazdera M./Kucera J. | 0:2 (4:6, 4:6) | dettagli | 02.08.2023 |
Czech Republic: M15 Prostejov - Doubles - Main |
| Quarter-finals | Jurajda A./Siniakov D. | Kumstat J./Mrva M. | 2:1 (6:0, 2:6, 10:4) | dettagli | 29.09.2022 |
| 1/8-finals | Kumstat J./Mrva M. | Braynin A./Tomescu D. A. | 2:1 (3:6, 6:3, 10:5) | dettagli | 28.09.2022 |