| 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 |
| ITF M25 Trnava | 2024/03/25 13:00 | Jan Kumstat v Jan Jermar | 6-3,3-6,10-4 |
| Challenger Prostejov | 2023/06/04 09:25 | Mate Valkusz v Jan Kumstat | 6-4,6-2 |
| Czechia Extraliga | 2024/12/20 09:22 | Martin Krumich v Dominik Kellovsky | 6-2,5-0 |
| Czechia Extraliga | 2024/12/18 09:21 | Martin Krumich v Jiri Jenicek | 6-4,6-0 |
| Challenger Helsinki | 2024/11/03 09:00 | Max Hans Rehberg v Martin Krumich | 3-6,6-1,6-0 |
| ITF M25 Santa Margherita | 2024/10/23 13:00 | Franco Agamenone v Martin Krumich | 7-6,6-1 |
| ITF M25 Santa Margherita | 2024/10/22 10:50 | Pietro Marino v Martin Krumich | 6-7,6-7 |
| ITF M25 Santa Margherita | 2024/10/10 07:15 | Martin Krumich v Nerman Fatic | 3-6,5-7 |
| ITF M25 Santa Margherita | 2024/10/07 13:25 | Martin Krumich v Carlo A Caniato | 6-4,6-4 |
| ITF M25 Santa Margherita | 2024/10/01 13:00 | Martin Krumich v Kimmer Coppejans | 6-7,6-3,2-6 |