| ITF - M25 - Ricany | 2021/08/31 08:00 | Adam Kozler v Marcelo Zormann | 1-6,2-6 |
| ITF - M25 - Ricany | 2021/08/30 10:00 | Martin Machala v Adam Kozler | 6-7,6-4,10-12 |
| ITF - M25 - Ricany | 2021/08/29 10:30 | Adam Kozler v Jakub Kroslak | 7-6,6-1 |
| UTR Pro Tennis Series - Ricany | 2021/09/11 09:00 | Marek Jaloviec v Filip Duda | 6-4,5-0 |
| UTR Pro Tennis Series - Ricany | 2021/09/09 07:30 | Filip Duda v Yurii Dzhavakian | 7-6,3-6,5-4 |
| UTR Pro Tennis Series - Ricany | 2021/09/08 07:30 | Filip Duda v Dominik Suc | 4-6,6-2,6-2 |
| UTR Pro Tennis Series - Ricany | 2021/09/07 09:00 | Filip Duda v Stefanos Sakellaridis | 4-6,6-4,5-2 |
| UTR Pro Tennis Series - Ricany | 2021/09/06 10:00 | Filip Duda v Jan Kuncik | 6-1,5-1 |
| ITF - M25 - Ricany | 2021/09/02 07:55 | Filip Duda v Marek Gengel | 3-6,3-6 |
| ITF - M25 - Ricany | 2021/09/01 10:05 | Noel Larwig v Filip Duda | 2-6,2-6 |
| ITF - M15 - Antalya | 2021/06/22 07:00 | Vladimir Korolev v Filip Duda | 6-3,2-6,10-4 |