Stadium: Court 1 Round: 54 Ground: Hardcourt indoor
| ITF M25 Prague | 2021/10/06 10:15 | Dominik Kellovsky v Milos Karol | 5-7,4-6 |
| ITF M15 Ostrava | 2021/11/21 11:00 | Milos Karol v Krystof Zapsky | 6-4,7-6 |
| ITF M15 Opava | 2021/11/19 09:00 | Savriyan Danilov v Milos Karol | 6-7,6-3,7-6 |
| ITF M15 Opava | 2021/11/18 11:55 | Boris Butulija v Milos Karol | 4-6,6-4,3-6 |
| Challenger Bratislava | 2021/11/10 13:50 | Milos Karol v Lukas Lacko | 4-6,3-6 |
| Challenger Bratislava | 2021/11/08 11:50 | Milos Karol v Alexander Shevchenko | 7-6,6-4 |
| Challenger Bratislava | 2021/11/07 14:35 | Ergi Kirkin v Milos Karol | 1-6,6-7 |
| ITF M25 Prague | 2021/10/07 14:05 | Tobias Simon v Milos Karol | 6-4,4-6,7-6 |
| ITF M25 Prague | 2021/10/06 10:15 | Dominik Kellovsky v Milos Karol | 5-7,4-6 |
| ITF M15 Ostrava | 2021/11/21 09:00 | Martin Benes v Dominik Kellovsky | 1-6,2-6 |
| ITF M15 Opava | 2021/11/17 10:25 | Marvin Moeller v Dominik Kellovsky | 6-4,6-4 |
| ITF M15 Opava | 2021/11/15 09:00 | Lukas Velik v Dominik Kellovsky | 6-3,1-6,3-10 |
| ITF M15 Opava | 2021/11/14 12:30 | Patrik Jancovic v Dominik Kellovsky | 1-6,1-6 |
| ITF M15 Parnu | 2021/10/27 08:25 | Ben Jones v Dominik Kellovsky | 6-3,7-5 |
| ITF M25 Hamburg | 2021/10/19 09:55 | Dominik Kellovsky v Rudolf Molleker | 4-6,6-7 |
| ITF M25 Hamburg | 2021/10/17 16:00 | Adrian Obert v Dominik Kellovsky | 4-6,1-6 |
| ITF M25 Hamburg | 2021/10/17 09:00 | Noel Larwig v Dominik Kellovsky | 2-6,2-6 |