Stadium: Court 1 Round: 25 Ground: Clay
| ITF M25 Prague | 2021/10/04 09:35 | Dominik Kellovsky v Sizya Ernest Kivanda | 6-3,7-5 |
| ITF M25 Prague | 2021/10/03 09:00 | Dominik Kellovsky v Krystof Zapsky | 6-3,6-0 |
| UTR Pro Tennis Series Ricany | 2021/09/18 07:30 | Dominik Kellovsky v Dominik Recek | 4-6,6-6 |
| UTR Pro Tennis Series Ricany | 2021/09/17 07:30 | Dominik Kellovsky v Michalis Sakellaridis | 6-2,6-3 |
| UTR Pro Tennis Series Ricany | 2021/09/16 08:30 | Dominik Kellovsky v Yurii Dzhavakian | 6-4,4-5 |
| UTR Pro Tennis Series Ricany | 2021/09/15 07:30 | Adam Kozler v Dominik Kellovsky | 3-6,4-6 |
| UTR Pro Tennis Series Ricany | 2021/09/14 07:30 | Filip Duda v Dominik Kellovsky | 7-6,6-3 |
| UTR Pro Tennis Series Ricany | 2021/09/12 07:30 | Dominik Kellovsky v Krystof Zapsky | 6-1,6-1 |
| ITF M25 Prague | 2021/10/04 12:20 | Milos Karol v Matyas Cerny | 7-6,7-5 |
| ITF M25 Prague | 2021/10/03 13:00 | Milos Karol v Vitek Horak | 6-0,6-1 |
| ITF M25 Budapest | 2021/09/30 09:00 | Milos Karol v Mate Valkusz | 6-7,0-6 |
| ITF M25 Budapest | 2021/09/29 07:25 | Mark Havlicek v Milos Karol | 2-6,7-6,4-6 |
| ITF M25 Pardubice | 2021/09/23 11:15 | Milos Karol v Henri Squire | 1-6,1-6 |
| ITF M15 Zilina | 2021/09/01 10:00 | Milos Karol v Martins Podzus | 3-6,6-4,1-6 |
| ITF M15 Bratislava | 2021/08/16 10:30 | Tomas Lanik v Milos Karol | 4-6,7-5,12-10 |
| ITF M25 Frankfurt am Main | 2021/08/11 10:40 | Milos Karol v Yshai Oliel | 4-6,2-6 |