Stadium: Main Court (7) Round: 26 Ground: Clay
| ITF M25 Grodzisk Mazowiecki | 2021/08/05 07:00 | Gabriel Matuszewski v Adam Pavlásek | 3-6,0-6 |
| ITF M15 - Antalya | 2021/06/16 14:05 | Olexiy Kolisnyk v Adam Pavlásek | 6-4,6-3 |
| ITF M25 Jablonec Nad Nisou | 2021/05/19 07:55 | Adam Pavlásek v Facundo Diaz Acosta | 2-6,3-6 |
| ITF M25 Praha | 2021/05/12 07:30 | Adam Pavlásek v Jack Draper | 2-6,4-6 |
| ITF M25 Praha | 2021/05/11 09:30 | Adam Pavlásek v Petr Michnev | 6-4,6-2 |
| ITF M25 Praha | 2021/05/10 09:00 | Adam Pavlásek v Jiri Barnat | 6-3,4-6,14-12 |
| ITF M25 Praha | 2021/05/09 10:00 | Adam Pavlásek v Tomas Papik | 6-2,6-7,10-1 |
| Challenger Ostrava | 2021/04/26 10:50 | Oscar Otte v Adam Pavlásek | 6-2,6-4 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/05 07:00 | Aleksander Orlikowski v Daniel Michalski | 2-6,1-6 |
| Challenger Poznan | 2021/07/27 11:50 | Daniel Michalski v Botic Van De Zandschulp | 2-6,3-6 |
| Polish National Tour | 2021/07/15 10:35 | Daniel Michalski v Kacper Zuk | 2-6,4-6 |
| Polish National Tour | 2021/07/14 11:50 | Maciej Rajski v Daniel Michalski | 0-6,5-7 |
| Polish National Tour | 2021/07/13 11:50 | Mateusz Terczynski v Daniel Michalski | 2-6,1-6 |
| Challenger Braunschweig | 2021/07/06 15:50 | Daniel Michalski v Vít Kopřiva | 2-6,2-6 |
| Challenger Braunschweig | 2021/07/05 09:30 | Tim Sandkaulen v Daniel Michalski | 3-6,5-7 |
| Challenger Braunschweig | 2021/07/04 09:00 | Daniel Michalski v Adrian Andreev | 7-6,7-6 |