Stadium: Court 2 Round: 44 Ground: Clay
| ITF M25 Poznan | 2021/08/22 08:00 | Leonardo Aboian v Mateusz Cislo | 6-0,6-0 |
| ITF M15 Lodz | 2021/08/18 08:00 | Leonardo Aboian v Pawel Juszczak | 2-6,6-2,3-6 |
| ITF M15 Lodz | 2021/08/16 15:00 | Leonardo Aboian v Alan Bojarski | 6-2,6-3 |
| ITF M15 Lodz | 2021/08/16 09:30 | Leonardo Aboian v Fermin Calvo Barcelo | 3-6,7-6,10-7 |
| ITF M15 Gdynia | 2021/08/08 08:00 | Max Basing v Leonardo Aboian | 6-4,3-6,10-4 |
| ITF M15 Cairo | 2021/08/04 07:30 | Fares Zakaria v Leonardo Aboian | 6-4,6-2 |
| ITF M15 Cairo | 2021/08/03 10:10 | Leonardo Aboian v Tommaso Roggero | 7-6,6-3 |
| ITF M15 Cairo | 2021/08/02 11:30 | Leonardo Aboian v Adham Gaber | 6-3,6-4 |
| ITF M25 Poznan | 2021/08/22 08:00 | Bartlomiej Andrzejczak v Jan Jermar | 6-3,3-6,5-10 |
| ITF M25 Prostejov | 2021/08/16 07:55 | Mark Havlicek v Jan Jermar | 6-1,6-0 |
| ITF M25 Prostejov | 2021/08/15 10:00 | Patrik Jancovic v Jan Jermar | 6-7,2-6 |
| 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 |