Stadium: Court 3 Round: 54 Ground: Carpet indoor
| ITF M15 Zilina | 2021/08/31 09:30 | Jakub Novak v Peter Nad | 4-6,7-6,3-10 |
| ITF M15 Zilina | 2021/08/30 11:30 | Stepan Pecak v Jakub Novak | 7-6,1-6,9-11 |
| ITF M15 Bratislava | 2021/08/26 11:15 | Mariano Navone v Jakub Novak | 6-1,6-1 |
| ITF M15 Bratislava | 2021/08/25 13:05 | Jakub Novak v Lukas Pokorny | 3-6,7-5,7-5 |
| ITF M15 Bratislava | 2021/08/24 08:00 | Jakub Novak v Samuel Paulovcak | 6-4,6-4 |
| ITF M15 Bratislava | 2021/08/23 09:00 | Samuel Puskar v Jakub Novak | 6-3,2-6,12-14 |
| ITF M25 Santo Domingo | 2021/06/07 15:00 | Maxime Mora v Jakub Novak | 6-1,6-2 |
| ITF M25 Santo Domingo | 2021/06/06 13:00 | Jakub Novak v Harry Thursfield | 6-4,6-2 |
| ITF M25 Prague | 2021/10/04 11:15 | Daniel Paty v Lukas Velik | 6-3,6-4 |
| ITF M25 Prague | 2021/10/03 11:30 | Lukas Velik v Mark Havlicek | 4-6,6-3,10-7 |
| ITF M25 Jablonec Nad Nisou | 2021/05/16 10:00 | Lukas Velik v Jiri Jenicek | 4-6,0-6 |