Stadium: Court 2 Round: 44 Ground: Clay
| ITF M15 Zlatibor | 2021/09/15 09:50 | Fabian Marozsan v Jasza Szajrych | 6-1,6-3 |
| ITF M15 Zlatibor | 2021/09/14 08:00 | Jasza Szajrych v Stefan Ivic | 6-3,6-3 |
| ITF M15 Zlatibor | 2021/09/13 08:00 | Dusan Obradovic v Jasza Szajrych | 5-7,3-6 |
| ITF M25 Ricany | 2021/08/29 08:00 | Antonin Stepanek v Jasza Szajrych | 6-4,7-5 |
| Challenger Warsaw | 2021/08/22 09:00 | Jasza Szajrych v Aldin Setkic | 0-6,4-6 |
| ITF M15 Lodz | 2021/08/17 08:00 | Jasza Szajrych v Michal Dembek | 0-6,6-7 |
| ITF M25 Wroclaw | 2021/06/27 11:00 | Marvin Moeller v Jasza Szajrych | 6-2,6-1 |
| Polish National Tour | 2020/08/23 08:00 | Kamil Gajewski v Jasza Szajrych | 6-4,6-1 |
| ITF M15 Chornomorsk | 2021/08/30 07:00 | Artem Podorozhnyi v Svyatoslav Ilnytskyy | 6-3,6-4 |
| ITF M25 Poznan | 2021/08/24 08:00 | Dominique Graf v Svyatoslav Ilnytskyy | 6-4,2-6,10-6 |
| ITF M25 Poznan | 2021/08/22 08:00 | Svyatoslav Ilnytskyy v Matteo Meneghetti | 6-2,6-3 |
| ITF M15 Lodz | 2021/08/15 08:00 | Svyatoslav Ilnytskyy v Mikolaj Borkowski | 4-6,6-3,5-10 |
| ITF M15 Gdynia | 2021/08/09 08:00 | Svyatoslav Ilnytskyy v Antonin Bolardt | 4-6,5-7 |
| ITF M15 Gdynia | 2021/08/08 08:00 | Svyatoslav Ilnytskyy v Bartlomiej Andrzejczak | 6-2,6-0 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/04 15:00 | Svyatoslav Ilnytskyy v Maks Kasnikowski | 2-6,3-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/02 14:25 | Svyatoslav Ilnytskyy v Tomas Lanik | 6-3,6-0 |