| ITF M25 Ceska Lipa | 2025/06/12 09:30 | Jan Kumstat v Martin Krumich | 6-2,3-6,3-5 |
| ITF M25 Ceska Lipa | 2025/06/10 10:23 | Jan Kumstat v Vladyslav Orlov | 7-6,6-2 |
| ITF M15 Szentendre | 2025/05/16 09:00 | Dominik Kellovsky v Jan Kumstat | 6-3,3-6,6-1 |
| ITF M15 Szentendre | 2025/05/15 08:00 | Jan Kumstat v Attila Dominik Boros | 6-4,7-5 |
| ITF M15 Szentendre | 2025/05/14 08:00 | Bruno Fernandez v Jan Kumstat | 4-6,6-7 |
| Challenger Prague | 2025/05/06 12:45 | Jan Kumstat v Filip Misolic | 4-6,5-7 |
| Challenger Prague | 2025/05/05 10:35 | Jan Kumstat v Alex Martinez | 6-4,1-6,6-4 |
| Challenger Prague | 2025/05/04 10:30 | Henri Squire v Jan Kumstat | 7-5,6-7,1-6 |
| ITF M15 Segrate | 2025/07/22 11:35 | Manuel Mazza v Niccolo Catini | 3-6,6-1,7-6 |
| Challenger San Marino | 2025/07/13 12:25 | Genaro Alberto Olivieri v Manuel Mazza | 6-4,2-6,6-4 |
| ITF M15 Bergamo | 2025/06/26 10:57 | Manuel Mazza v Alessandro Pecci | 0-6,6-1,3-6 |
| ITF M15 Bergamo | 2025/06/25 15:00 | Samuele Seghetti v Manuel Mazza | 5-7,3-6 |
| ITF M25 Cattolica | 2025/06/22 16:00 | Manuel Mazza v Carlo A Caniato | 6-4,6-4 |
| ITF M25 Cattolica | 2025/06/21 19:00 | Manuel Mazza v Alessandro Pecci | 6-7,7-6,3-0 |
| ITF M25 Cattolica | 2025/06/20 12:30 | Gabriele Pennaforti v Manuel Mazza | 6-7,2-6 |
| ITF M25 Cattolica | 2025/06/19 14:30 | Lorenzo Rottoli v Manuel Mazza | 6-7,2-6 |