Stadion: Court 6 Round: 62 Ground: Clay
| ITF - M25 - Kottingbrunn | 2021/07/18 07:30 | Laurin Aerne v Jan Jermar | 1-6,2-6 |
| ITF - M25 - Telfs | 2021/07/12 07:50 | Neil Oberleitner v Jan Jermar | 6-3,6-0 |
| ITF - M15 - Poprad | 2021/07/07 10:10 | Luca Castelnuovo v Jan Jermar | 7-6,6-2 |
| ITF - M25 - Most | 2021/05/24 08:00 | Jakub Beran v Jan Jermar | 6-4,6-7,10-3 |
| ITF - M25 - Jablonec Nad Nisou | 2021/05/17 07:30 | Jan Jermar v Kai Lemstra | 4-6,4-6 |
| ITF - M25 - Jablonec Nad Nisou | 2021/05/16 08:30 | Jan Jermar v Peter Samosi | 7-6,6-0 |
| ITF - M25 - Prag | 2021/05/09 10:00 | Ondrej Horak v Jan Jermar | 7-6,6-3 |
| ITF - M15 - Las Palmas | 2021/04/25 11:00 | Jan Jermar v Xavier Gabarro | 0-6,2-6 |
| ITF - M25 - Kottingbrunn | 2021/07/18 07:30 | Tomas Lanik v Francisco Vittar | 4-6,2-6 |
| ITF - M25 - Telfs | 2021/07/14 08:50 | Francisco Vittar v Sandro Kopp | 2-6,3-6 |
| ITF - M25 - Telfs | 2021/07/13 09:10 | Tim Heger v Francisco Vittar | 5-7,6-3,7-10 |
| ITF - M25 - Telfs | 2021/07/12 10:35 | Jesse De Jager v Francisco Vittar | 1-6,6-2,8-10 |
| ITF - M25 - Velenje | 2021/07/04 07:30 | Constantin Bittoun Kouzmine v Francisco Vittar | 7-5,6-1 |
| ITF - M15 - Austin | 2019/11/20 21:50 | Francisco Vittar v Jacob Fearnley | 4-6,3-6 |
| ITF - M15 - Austin | 2019/11/19 16:00 | Francisco Vittar v Ishaan Ravichander | 6-2,6-2 |
| ITF - M15 - Buenos Aires | 2019/07/11 14:55 | Maximiliano Estevez v Francisco Vittar | 6-3,6-1 |