| Challenger Kigali | 2025/03/03 08:00 | Franco Agamenone v Dominik Kellovsky | 7-5,7-6 |
| Challenger Kigali | 2025/03/02 10:30 | Courtney John Lock v Dominik Kellovsky | 3-6,7-5,2-6 |
| Challenger Kigali | 2025/02/25 08:00 | Alex Marti Pujolras v Dominik Kellovsky | 7-6,6-2 |
| Challenger Kigali | 2025/02/24 09:20 | Franco Agamenone v Dominik Kellovsky | 5-7,3-6 |
| Challenger Kigali | 2025/02/23 12:00 | Matteo Covato v Dominik Kellovsky | 5-7,4-6 |
| Challenger Brazzaville | 2025/02/20 14:15 | Dominik Kellovsky v Geoffrey Blancaneaux | 5-7,1-6 |
| Challenger Brazzaville | 2025/02/18 10:45 | Dominik Kellovsky v Mateo Barreiros Reyes | 5-7,6-2,6-2 |
| ITF M25 Antalya | 2025/01/31 09:01 | Dominik Kellovsky v Guy Den Ouden | 3-6,2-6 |
| 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 M25 Trnava | 2024/03/27 09:00 | Jan Kumstat v Saba Purtseladze | 6-0,6-3 |
| ITF M25 Trnava | 2024/03/26 10:25 | Michael Gloeckler v Jan Kumstat | 7-6,4-6,10-12 |