Stadium: Court 1 Round: 54 Ground: Clay
| ITF M15 Sibenik | 2021/04/18 10:00 | Mehdi Sadaoui v Patrik Jancovic | 7-5,6-1 |
| ITF M15 Bratislava | 2021/03/08 09:00 | Patrik Jancovic v Kristof Minarik | 2-6,1-6 |
| ITF M15 Bratislava | 2020/11/23 14:00 | Kai Lemstra v Patrik Jancovic | 6-2,6-2 |
| ITF Slovakia F3 | 2018/08/06 08:00 | Patrik Jancovic v Barnaby Smith | 1-6,4-6 |
| ITF Slovakia F2 | 2018/07/29 09:00 | Patrik Jancovic v Daniel Rabas | 4-6,2-6 |
| ITF Slovakia F1 | 2018/07/22 08:00 | Patrik Jancovic v Jiri Jenicek | 2-6,0-6 |
| ITF Czech Republic F6 Qual | 2018/07/07 07:30 | Patrik Jancovic v David Damian Brna | 4-6,2-6 |
| ITF Czech Republic F4 Qual | 2018/06/23 08:00 | Patrik Jancovic v Samuel Puskar | 7-5,5-7,2-6 |
| ITF M15 Gdynia | 2021/08/08 08:00 | Yujiro Onuma v Jan Jermar | 6-4,2-6,10-5 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/02 12:20 | Jan Jermar v Roman Postolka | 2-6,0-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/01 16:05 | Sebastian Usiadek v Jan Jermar | 3-6,3-6 |
| ITF M25 Kottingbrunn | 2021/07/19 13:45 | Jan Jermar v Francisco Vittar | 4-6,5-7 |
| 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 Poprád | 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 |