| ITF M15 Antalya | 2025/02/12 07:00 | Pietro Marino v Radovan Michalik | 7-5,6-2 |
| ITF M25 Antalya | 2024/11/19 07:00 | Gonzalo Zeitune v Radovan Michalik | 6-3,7-5 |
| ITF M15 Antalya | 2024/11/12 16:10 | Aleksandr Lobanov v Radovan Michalik | 6-0,6-2 |
| ITF M15 Antalya | 2024/11/12 06:00 | Andrei Cuceu v Radovan Michalik | 0-6,2-6 |
| ITF M15 Antalya | 2024/11/10 06:30 | Kemal Arda Karakas v Radovan Michalik | 6-4,6-7,3-10 |
| ITF M15 Antalya | 2024/11/06 06:55 | Tim Handel v Radovan Michalik | 7-5,6-3 |
| ITF M15 Antalya | 2024/11/05 09:00 | Norbert Marosik v Radovan Michalik | 3-6,1-6 |
| ITF M15 Antalya | 2024/11/04 07:00 | Daniil Bogatov v Radovan Michalik | 6-3,3-6,7-10 |
| ITF M25 Antalya | 2025/04/09 08:30 | Sergey Fomin v Jan Kumstat | 6-2,6-2 |
| 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 |