| ITF M15 Monastir | 2025/03/20 08:30 | Jan Kumstat v Luca Potenza | 2-6,4-6 |
| ITF M15 Monastir | 2025/03/18 11:30 | Rares Teodor Pieleanu v Jan Kumstat | 2-6,0-0 |
| ITF M25 Trimbach | 2025/03/04 16:00 | Dominic Stephan Stricker v Jan Kumstat | 6-2,6-4 |
| ITF M15 Sharm El Sheikh | 2025/02/13 08:30 | Jan Kumstat v Federico Bondioli | 6-7,2-5 |
| Challenger Liberec | 2024/07/30 14:45 | Jerome Kym v Jan Kumstat | 6-3,6-0 |
| Challenger Prague | 2024/05/06 12:20 | Jaime Faria v Jan Kumstat | 6-4,6-2 |
| Challenger Ostrava | 2024/04/22 12:50 | Timofey Skatov v Jan Kumstat | 6-1,6-2 |
| ITF M25 Trnava | 2024/03/28 10:30 | Mirza Basic v Jan Kumstat | 6-4,6-3 |
| ITF M15 Nonthaburi | 2025/03/19 04:30 | Fausto Tabacco v Arthur Weber | 0-6,0-0 |
| ITF M15 Nonthaburi | 2025/03/11 03:00 | Fausto Tabacco v Shintaro Imai | 2-6,4-6 |
| ITF M15 Monastir | 2025/02/26 08:34 | Fausto Tabacco v Lorenzo Carboni | 5-7,1-6 |
| ITF M15 Monastir | 2025/02/24 12:45 | Fausto Tabacco v Christophe Pognon | 6-2,6-1 |
| ITF M15 Monastir | 2025/02/20 10:51 | Stefanos Sakellaridis v Fausto Tabacco | 6-3,6-4 |
| ITF M15 Monastir | 2025/02/19 13:00 | Buvaysar Gadamauri v Fausto Tabacco | 6-7,4-6 |
| ITF M15 Monastir | 2025/02/17 14:30 | Fausto Tabacco v Giorgio Tabacco | 6-2,6-7,0-0 |
| ITF M15 Monastir | 2025/02/14 08:30 | Fausto Tabacco v Vladyslav Orlov | 7-6,3-6,3-6 |