Stadium: Court 2 Round: 54 Ground: Clay
| ITF M25 Prague | 2021/10/03 14:00 | Filip Duda v Tomas Krcma | 6-0,6-0 |
| ITF M25 Budapest | 2021/10/01 09:25 | Zsombor Piros v Filip Duda | 6-2,3-6,6-3 |
| ITF M25 Budapest | 2021/09/30 09:00 | Nicolas Parizzia v Filip Duda | 2-6,4-6 |
| ITF M25 Budapest | 2021/09/29 07:30 | Filip Duda v Omar Giacalone | 6-1,6-3 |
| ITF M25 Pardubice | 2021/09/21 10:15 | Filip Duda v Dominik Recek | 4-6,2-6 |
| ITF M25 Pardubice | 2021/09/20 09:00 | Filip Duda v Jakub Katuch | 6-1,6-1 |
| UTR Pro Tennis Series Ricany | 2021/09/19 07:00 | Filip Duda v Andrew Paulson | 0-0 |
| UTR Pro Tennis Series Ricany | 2021/09/18 07:30 | Jan Satral v Filip Duda | 6-3,6-7,4-6 |
| ITF M25 Prague | 2021/10/03 08:00 | Tomas Lanik v Jiri Barnat | 7-6,6-3 |
| ITF M25 Pardubice | 2021/09/22 09:00 | Tomas Lanik v Matthew William Donald | 2-6,2-6 |
| ITF M25 Pardubice | 2021/09/21 09:45 | Oscar Galimardanov v Tomas Lanik | 2-6,7-6,8-10 |
| ITF M25 Pardubice | 2021/09/20 10:00 | Tomas Lanik v Alan F R Fierros | 2-6,6-4,10-6 |
| ITF M15 Zilina | 2021/08/31 09:30 | Dominik Kellovsky v Tomas Lanik | 6-1,6-4 |
| ITF M15 Bratislava | 2021/08/23 09:00 | Tomas Lanik v Sean Hess | 5-7,4-6 |
| ITF M15 Bratislava | 2021/08/18 08:00 | Tomas Lanik v Mate Valkusz | 3-6,3-6 |
| ITF M15 Bratislava | 2021/08/17 08:00 | Leyton Rivera v Tomas Lanik | 6-7,2-6 |