Estadio: Court 7 Round: 62 Ground: Clay
| ITF M25 Pardubice | 2021/09/19 11:00 | Matyas Cerny v Dominique Graf | 7-6,6-3 |
| UTR Pro Tennis Series - Rícany | 2021/09/19 07:00 | Matyas Cerny v Adam Kozler | 4-6,6-4,5-1 |
| UTR Pro Tennis Series - Rícany | 2021/09/18 09:00 | Andrey Chepelev v Matyas Cerny | 1-2 |
| UTR Pro Tennis Series - Rícany | 2021/09/17 12:00 | Dominik Recek v Matyas Cerny | 6-2,0-6,3-5 |
| UTR Pro Tennis Series - Rícany | 2021/09/16 08:30 | Jiri Barnat v Matyas Cerny | 6-7,0-0 |
| UTR Pro Tennis Series - Rícany | 2021/09/14 12:00 | Antonin Bolardt v Matyas Cerny | 3-6,6-7 |
| UTR Pro Tennis Series - Rícany | 2021/09/13 07:30 | Matyas Cerny v Petr Hajek | 1-6,2-6 |
| ITF M25 Ricany | 2021/09/01 08:00 | Matyas Cerny v Robin Stanek | 7-6,3-6,1-6 |
| ITF M25 Ricany | 2021/08/29 08:00 | Ondrej Horak v Lambert Ruland | 1-6,1-6 |
| ITF M15 Bad Waltersdorf | 2021/08/23 09:00 | Ondrej Horak v Alessandro Ragazzi | 3-6,6-4,4-10 |
| ITF M15 Warmbad-Villach | 2021/08/17 08:00 | Philip Bachmaier v Ondrej Horak | 6-2,6-0 |
| ITF M15 Warmbad-Villach | 2021/08/16 12:30 | Leonardo Chiari v Ondrej Horak | 3-6,2-6 |
| ITF M15 Telavi | 2021/08/03 07:25 | Yanki Erel v Ondrej Horak | 6-1,6-4 |
| ITF M25 Telavi | 2021/07/27 07:20 | Ondrej Horak v Alexander Boborykin | 2-6,6-3,5-10 |
| ITF M25 Telavi | 2021/07/26 13:10 | Petr Bar Biryukov v Ondrej Horak | 4-6,2-6 |
| ITF M25 Telfs | 2021/07/16 10:00 | Kirill Kivattsev v Ondrej Horak | 6-2,6-2 |