Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 Antalya | 2021/04/05 07:00 | Viacheslav Bielinskyi v Edoardo Graziani | 2-6,4-6 |
| ITF M15 Antalya | 2021/04/04 06:30 | Mario Mansilla Diez v Viacheslav Bielinskyi | 6-2,1-6,4-10 |
| ITF M15 Antalya | 2021/03/31 10:25 | Viacheslav Bielinskyi v Bogdan Bobrov | 2-6,3-6 |
| ITF M15 Antalya | 2021/02/14 06:00 | Luis Patino v Viacheslav Bielinskyi | 5-7,6-4,10-7 |
| ITF M15 Antalya | 2021/02/07 09:30 | Timo Legout v Viacheslav Bielinskyi | 6-4,6-2 |
| ITF M15 Sharm El Sheikh | 2020/10/19 07:00 | Tristan Boyer v Viacheslav Bielinskyi | 6-4,4-6,10-6 |
| ITF M15 Sharm El Sheikh | 2020/10/18 09:00 | Viacheslav Bielinskyi v Markos Kalovelonis | 4-6,7-6,10-8 |
| ITF M15 Sharm El Sheikh | 2020/10/11 07:00 | Viacheslav Bielinskyi v Alec Beckley | 5-7,1-6 |
| ITF M15 Novomoskovsk | 2021/05/25 11:30 | Cengiz Aksu v Oleksandr Bielinskyi | 5-7,1-6 |
| ITF M15 Novomoskovsk | 2021/05/25 06:15 | Oleksandr Bielinskyi v Juan Ignacio Alcalde | 6-2,6-2 |
| ITF M15 Novomoskovsk | 2021/05/23 10:30 | Denis Parshutin v Oleksandr Bielinskyi | 2-6,3-6 |
| ITF M15 Cairo | 2021/04/26 08:00 | Oleksandr Bielinskyi v Bautista Vilicich | 6-3,2-6,5-10 |
| ITF M15 Cairo | 2021/04/25 16:00 | Youssef Abdellatif v Oleksandr Bielinskyi | 0-6,0-6 |
| ITF M15 Cairo | 2021/04/19 09:30 | Luigi Sorrentino v Oleksandr Bielinskyi | 4-6,6-4,11-9 |
| ITF M15 Cairo | 2021/04/18 08:30 | Marco De Rosa v Oleksandr Bielinskyi | 2-6,1-6 |
| ITF M15 Cairo | 2021/04/12 08:30 | Rimpei Kawakami v Oleksandr Bielinskyi | 7-6,3-6,10-5 |