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