Stadium: Court C Round: 62 Ground: Clay
| ITF M15 Antalya | 2021/06/22 07:00 | Vladimir Korolev v Filip Duda | 6-3,2-6,10-4 |
| ITF M15 Antalya | 2021/06/21 11:35 | Dian Nedev v Filip Duda | 4-6,2-6 |
| ITF M15 Antalya | 2021/06/20 07:00 | Kaya Arinc v Filip Duda | 0-6,4-6 |
| ITF M15 Antalya | 2021/06/15 07:30 | Tadeas Paroulek v Filip Duda | 6-2,6-4 |
| ITF M15 Antalya | 2021/06/14 13:45 | Daiki Yoshimura v Filip Duda | 3-6,6-7 |
| ITF M15 Antalya | 2021/06/13 07:30 | Farzin Danny Amiri v Filip Duda | 6-3,4-6,6-10 |
| ITF M25 Most | 2021/05/26 08:00 | Filip Duda v Pavel Nejedly | 4-6,2-6 |
| ITF M25 Most | 2021/05/25 09:35 | Filip Duda v Stepan Mruzek | 2-6,6-4,10-5 |
| ITF M25 Telfs | 2021/07/11 09:00 | Jakub Katuch v Niklas Waldner | 1-6,3-6 |
| ITF M25 Most | 2021/05/23 14:00 | Jakub Katuch v Hasan Ibrahim | 1-6,4-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/16 08:30 | Robin Stanek v Jakub Katuch | 6-1,6-2 |
| ITF M25 Prague | 2021/05/09 07:30 | Jakub Katuch v Andrew Paulson | 3-6,6-3,6-10 |
| ITF M15 Bratislava | 2021/03/08 12:00 | Jakub Katuch v Luca Van Assche | 2-6,2-6 |
| ITF M15 Bratislava | 2021/03/01 12:00 | Piotr Grynkowski v Jakub Katuch | 6-3,6-1 |
| ITF M15 Bratislava | 2020/11/23 09:00 | Jakub Katuch v Noah Thurner | 6-7,7-5,9-11 |
| ITF M15 Piestany | 2019/05/06 08:00 | Johannes Bangratz v Jakub Katuch | 6-0,6-3 |