| UTR Pro Tennis Series Ricany | 2021/09/16 07:00 | Antonin Bolardt v Petr Hajek | 2-6,1-6 |
| UTR Pro Tennis Series Ricany | 2021/09/15 10:30 | Antonin Bolardt v Jiri Barnat | 3-6,6-3,1-6 |
| UTR Pro Tennis Series Ricany | 2021/09/14 12:00 | Antonin Bolardt v Matyas Cerny | 3-6,6-7 |
| UTR Pro Tennis Series Ricany | 2021/09/13 07:30 | Antonin Bolardt v Dominik Recek | 1-6,7-6,1-5 |
| ITF M25 Ricany | 2021/09/02 09:45 | Antonin Bolardt v Facundo Diaz Acosta | 2-6,3-6 |
| ITF M25 Ricany | 2021/09/01 11:40 | Antonin Bolardt v Simon Freund | 6-2,1-6,6-4 |
| ITF M25 Ricany | 2021/08/31 09:15 | Antonin Bolardt v Filip Kana | 6-2,6-0 |
| ITF M25 Ricany | 2021/08/30 08:00 | Antonin Bolardt v Fermin Calvo Barcelo | 6-2,6-2 |
| UTR Pro Tennis Series Ricany | 2021/09/16 07:00 | Alexander Lazov v Jan Satral | 1-6,2-6 |
| UTR Pro Tennis Series Ricany | 2021/09/15 12:00 | Alexander Lazov v Yanais Laurent | 4-6,6-1,3-5 |
| UTR Pro Tennis Series Ricany | 2021/09/14 09:00 | Alexander Lazov v Yann Wojcik | 6-4,3-6,6-7 |
| UTR Pro Tennis Series Ricany | 2021/09/13 12:00 | Alexander Lazov v Michael Gloeckler | 6-3,6-3 |
| UTR Pro Tennis Series Sofia | 2021/09/04 07:30 | Alexander Lazov v George Lazarov | 3-5 |
| UTR Pro Tennis Series Sofia | 2021/09/03 07:00 | Alexander Lazov v Dian Nedev | 7-5,5-3 |
| UTR Pro Tennis Series Sofia | 2021/09/01 09:30 | Yurii Dzhavakian v Alexander Lazov | 7-6,7-6 |
| UTR Pro Tennis Series Sofia | 2021/08/31 09:30 | Milen Ianakiev v Alexander Lazov | 6-7,2-6 |