Stadion: Court 4 Round: 25 Ground: Clay
| ITF - M25 - Ricany | 2021/08/31 08:00 | Daniel Paty v Stepan Baum | 6-1,6-0 |
| ITF - M25 - Ricany | 2021/08/30 09:00 | Daniel Paty v Martin Benes | 6-4,6-3 |
| ITF - M25 - Prostejov | 2021/08/18 10:30 | Daniel Paty v Nick Chappell | 4-6,3-6 |
| ITF - M25 - Prostejov | 2021/08/17 07:55 | Dominik Recek v Daniel Paty | 3-6,7-6,4-6 |
| ITF - M25 - Prostejov | 2021/08/16 09:35 | Daniel Paty v Samuel Paulovcak | 6-1,4-6,10-5 |
| ITF - M25 - Wetzlar | 2021/08/03 09:00 | Matthew Romios v Daniel Paty | 6-4,7-5 |
| ITF - M25 - Wetzlar | 2021/08/02 13:45 | Torben Steinorth v Daniel Paty | 1-6,2-6 |
| ITF - M25 - Telfs | 2021/07/16 08:00 | Daniel Paty v Alexander Shevchenko | 3-6,4-6 |
| Challenger - Prag | 2021/08/22 12:00 | Alexander Donski v Facundo Diaz Acosta | 6-4,2-6,5-7 |
| ITF - M25 - Marburg | 2021/07/08 10:35 | Louis Wessels v Alexander Donski | 6-4,6-7,6-4 |
| ITF - M25 - Marburg | 2021/07/06 16:40 | Alexander Donski v Jeremy Jahn | 6-2,6-2 |
| ITF - M15 - Monastir | 2021/06/23 08:30 | Alexander Donski v Omni Kumar | 1-6,3-6 |
| ITF - M15 - Monastir | 2021/06/17 11:40 | Alexander Donski v Luca Giacomini | 3-6,3-6 |
| ITF - M15 - Monastir | 2021/06/15 08:30 | Lucio Carnevalle v Alexander Donski | 2-6,3-6 |
| ITF - M15 - Heraklion | 2021/06/10 07:30 | Alexander Donski v Yuki Mochizuki | 3-6,4-6 |
| ITF - M15 - Heraklion | 2021/06/09 11:50 | Alexander Donski v Daniel Little | 1-6,6-3,6-1 |