Stadium: Court 8 Round: 26 Ground: Clay
| ITF M25 Most | 2021/05/26 11:20 | Dalibor Svrcina v Jan Satral | 1-6,6-4,6-1 |
| ITF M25 Jablonec Nad Nisou | 2021/05/22 09:00 | Jiri Lehecka v Jan Satral | 6-3,6-1 |
| ITF M25 Jablonec Nad Nisou | 2021/05/21 11:35 | Jan Satral v Franco Agamenone | 7-5,6-1 |
| ITF M25 Jablonec Nad Nisou | 2021/05/20 11:15 | Jan Satral v Robin Stanek | 7-5,1-6,6-4 |
| ITF M25 Jablonec Nad Nisou | 2021/05/18 12:05 | Lucas Miedler v Jan Satral | 2-6,4-6 |
| ITF M25 Prague | 2021/05/13 13:40 | Jack Draper v Jan Satral | 6-2,6-1 |
| ITF M25 Prague | 2021/05/12 07:30 | Jan Satral v Pedro Cachin | 6-4,3-6,6-1 |
| ITF M25 Prague | 2021/05/11 08:00 | Jan Satral v Robin Stanek | 6-3,6-4 |
| ITF M15 Novi Sad | 2021/08/01 09:30 | Frane Nincevic v Aleksandar Tomas | 6-4,3-6,6-10 |
| ITF M15 Doboj | 2021/07/15 08:00 | Peter Fajta v Frane Nincevic | 4-6,6-3,7-6 |
| ITF M15 Doboj | 2021/07/13 11:30 | Frane Nincevic v Christoffer Solberg | 6-2,7-6 |
| ITF M25 Velenje | 2021/07/06 08:00 | Frane Nincevic v Nemanja Malesevic | 4-6,6-1,5-10 |
| ITF M25 Velenje | 2021/07/05 09:00 | Frane Nincevic v Nicolas Bruna | 5-7,7-6,11-9 |
| UTR Pro Tennis Series Zadar | 2021/07/03 07:00 | Vito Tonejc v Frane Nincevic | 6-4,5-2 |
| UTR Pro Tennis Series Zadar | 2021/07/02 12:30 | Josip Krstanovic v Frane Nincevic | 6-4,1-6,7-5 |
| UTR Pro Tennis Series Zadar | 2021/07/01 09:30 | Constant De La Bassetiere v Frane Nincevic | 3-6,2-6 |