| UTR Pro Tennis Series Portoroz | 2021/08/17 12:30 | Jan Dimitrijevic v Oleksandr Bielinskyi | 2-6,2-6 |
| UTR Pro Tennis Series Barcelona | 2021/08/14 06:30 | Federico Zeballos v Oleksandr Bielinskyi | 6-0,6-3 |
| UTR Pro Tennis Series Barcelona | 2021/08/13 06:51 | Ignasi Forcano v Oleksandr Bielinskyi | 6-3,3-6,3-6 |
| UTR Pro Tennis Series Barcelona | 2021/08/13 06:30 | Dante Gennaro v Oleksandr Bielinskyi | 0-0 |
| UTR Pro Tennis Series Barcelona | 2021/08/12 11:00 | Fermin Tenti v Oleksandr Bielinskyi | 4-6,3-5 |
| UTR Pro Tennis Series Barcelona | 2021/08/09 10:30 | Nicolas Bianchi v Oleksandr Bielinskyi | 6-4,5-4 |
| ITF M15 Telavi | 2021/08/03 09:45 | Oleksandr Bielinskyi v Yan Bondarevskiy | 6-7,3-6 |
| ITF M15 Telavi | 2021/08/02 11:30 | Federico Bertuccioli v Oleksandr Bielinskyi | 3-6,3-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/17 12:30 | Volodymyr Uzhylovskyi v Max Lukman | 6-1,5-1 |
| UTR Pro Tennis Series Portoroz | 2021/08/16 12:30 | Max Lukman v Petar Pjevcevic | 7-6,6-7,6-1 |