| ITF M15 Chornomorsk | 2021/08/30 07:00 | Alessio Zanotti v Oleksandr Bielinskyi | 6-2,6-2 |
| UTR Pro Tennis Series Portoroz | 2021/08/26 08:30 | Oleksandr Bielinskyi v Yanais Laurent | 0-0 |
| UTR Pro Tennis Series Portoroz | 2021/08/24 11:30 | Oleksandr Bielinskyi v Egor Agafonov | 6-4,7-5 |
| UTR Pro Tennis Series Portoroz | 2021/08/22 10:00 | Deni Zmak v Oleksandr Bielinskyi | 6-2,7-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/21 09:30 | Oleksandr Bielinskyi v Colin Sinclair | 3-6,3-4 |
| UTR Pro Tennis Series Portoroz | 2021/08/19 11:00 | Oleksandr Bielinskyi v Max Lukman | 3-6,6-1,6-1 |
| 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 |
| ITF M25 Plaisir | 2021/09/12 07:55 | Liova Ajavon v Julien De Cuyper | 3-6,6-2,10-6 |
| UTR Pro Tennis Series Sofia | 2021/09/01 09:30 | Milen Ianakiev v Julien De Cuyper | 6-3,5-1 |
| UTR Pro Tennis Series Sofia | 2021/08/31 09:30 | Yurii Dzhavakian v Julien De Cuyper | 6-0,5-0 |
| UTR Pro Tennis Series Sofia | 2021/08/30 11:30 | Julien De Cuyper v Alexander Lazov | 2-6,2-5 |
| UTR Pro Tennis Series Portoroz | 2021/08/28 08:30 | Dusan Trunic v Julien De Cuyper | 3-0 |
| UTR Pro Tennis Series Portoroz | 2021/08/27 12:00 | Julien De Cuyper v Paras Dahiya | 6-1,4-6,6-4 |
| UTR Pro Tennis Series Portoroz | 2021/08/26 07:00 | Julien De Cuyper v Gal Emersic Potocnik | 1-6,0-5 |
| ITF M15 Pescara | 2021/08/16 07:15 | Julien De Cuyper v Daniele Spinnato | 1-6,3-6 |