Stadium: Court 1 Round: 54 Ground: Clay
| 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 |
| ITF M25 Kottingbrunn | 2021/07/21 08:00 | Francisco Comesana v Milos Karol | 7-6,7-6 |
| ITF M25 Prague | 2021/10/03 13:00 | Matyas Cerny v Dominik Langmajer | 7-6,6-1 |
| ITF M25 Pardubice | 2021/09/21 07:55 | Mikalai Haliak v Matyas Cerny | 6-3,6-1 |
| ITF M25 Pardubice | 2021/09/20 10:00 | Matyas Cerny v Ondrej Horak | 6-2,3-6,10-6 |
| ITF M25 Pardubice | 2021/09/19 11:00 | Matyas Cerny v Dominique Graf | 7-6,6-3 |
| UTR Pro Tennis Series Ricany | 2021/09/19 07:00 | Matyas Cerny v Adam Kozler | 4-6,6-4,5-1 |
| UTR Pro Tennis Series Ricany | 2021/09/18 09:00 | Andrey Chepelev v Matyas Cerny | 1-2 |
| UTR Pro Tennis Series Ricany | 2021/09/17 12:00 | Dominik Recek v Matyas Cerny | 6-2,0-6,3-5 |
| UTR Pro Tennis Series Ricany | 2021/09/16 08:30 | Jiri Barnat v Matyas Cerny | 6-7,0-0 |