Stadium: Court 1 Round: 26 Ground: Clay
| ITF M15 Chornomorsk | 2021/09/01 07:00 | Bondarevskiy, Yan v Ainius Sabaliauskas | 7-5,6-2 |
| Challenger - Barletta | 2021/08/23 09:00 | Nicolas Alvarez v Bondarevskiy, Yan | 6-2,3-6,7-6 |
| Challenger - Barletta | 2021/08/22 12:45 | Bondarevskiy, Yan v Gijs Brouwer | 6-3,6-4 |
| ITF M15 Telavi | 2021/08/07 06:30 | Oleg Prihodko v Bondarevskiy, Yan | 7-6,6-3 |
| ITF M15 Telavi | 2021/08/06 06:20 | Tashbulatov, Dostanbek v Bondarevskiy, Yan | 1-6,1-6 |
| ITF M15 Telavi | 2021/08/04 08:40 | Marco Miceli v Bondarevskiy, Yan | 0-6,6-2,2-6 |
| ITF M15 Telavi | 2021/08/03 09:45 | Bielinskyi, Oleksandr v Bondarevskiy, Yan | 6-7,3-6 |
| ITF M25 Telavi | 2021/07/31 10:30 | Vladyslav Orlov v Bondarevskiy, Yan | 3-6,6-2,6-4 |
| ITF M15 Chornomorsk | 2021/09/01 10:05 | Nicolo Pozzani v Pieczonka, Filip | 3-6,2-6 |
| ITF M25 Poznan | 2021/08/25 08:00 | Jose Pereira v Pieczonka, Filip | 5-7,6-4,6-2 |
| ITF M15 Gdynia | 2021/08/11 16:15 | Pieczonka, Filip v Fabian Marozsan | 2-6,2-6 |
| ITF M15 Gdynia | 2021/08/10 08:00 | Hajek, Petr v Pieczonka, Filip | 5-7,4-6 |
| ITF M15 Gdynia | 2021/08/09 08:00 | Pieczonka, Filip v Sean Hess | 4-6,6-1,10-8 |
| ITF M15 Gdynia | 2021/08/08 08:30 | Dawid Taczala v Pieczonka, Filip | 6-7,0-6 |
| ITF - M15 Antalya | 2021/06/16 16:05 | Pawel Juszczak v Pieczonka, Filip | 6-2,6-4 |
| Bydgoszcz, Singles Qualifying M-ITF-POL-04A | 2019/08/12 08:00 | Pieczonka, Filip v Arvid Nordquist | 0-6,2-6 |