| UTF Invitational | 2020/06/10 13:00 | Nikita Mashtakov v Viacheslav Bielinskyi | 6-3,6-6 |
| UTF Invitational | 2020/06/12 13:30 | Nikita Mashtakov v Marat Deviatiarov | 2-6,6-3,7-6 |
| UTF Invitational | 2020/06/11 10:00 | Nikita Mashtakov v Gleb Baklanov | 6-0,5-2 |
| UTF Invitational | 2020/06/10 13:00 | Nikita Mashtakov v Viacheslav Bielinskyi | 6-3,6-6 |
| UTF Invitational | 2020/06/09 07:00 | Nikita Mashtakov v Oleg Prihodko | 6-3,5-1 |
| ITF M15 Heraklion | 2020/02/27 10:10 | Nikita Mashtakov v Antonio Cayetano March | 5-7,4-6 |
| ITF M15 Heraklion | 2020/02/25 09:30 | Nikita Mashtakov v Lior Goldenberg | 6-4,4-6,6-2 |
| ITF M15 Heraklion | 2020/02/19 13:15 | Nikita Mashtakov v Guy Den Heijer | 7-5,2-6,3-6 |
| ITF M15 Antalya | 2019/11/27 07:00 | Tristan Boyer v Nikita Mashtakov | 6-4,6-1 |
| UTF Invitational | 2020/06/12 12:00 | Vladyslav Manafov v Viacheslav Bielinskyi | 4-6,4-6 |
| UTF Invitational | 2020/06/11 08:30 | Oleg Prihodko v Viacheslav Bielinskyi | 1-6,6-7 |
| UTF Invitational | 2020/06/10 13:00 | Nikita Mashtakov v Viacheslav Bielinskyi | 6-3,6-6 |
| UTF Invitational | 2020/06/09 11:00 | Vladyslav Orlov v Viacheslav Bielinskyi | 0-6,1-6 |
| ITF M25 Antalya | 2020/02/24 07:00 | Dimitriy Voronin v Viacheslav Bielinskyi | 4-6,6-1,10-6 |
| ITF M25 Antalya | 2020/02/23 08:00 | Umut Kaan Yenilmez v Viacheslav Bielinskyi | 1-6,1-6 |
| ITF M15 Antalya | 2020/02/16 09:30 | Osman Torski v Viacheslav Bielinskyi | 6-0,6-3 |
| ITF M15 Antalya | 2020/02/13 07:30 | Marlon Vankan v Viacheslav Bielinskyi | 6-4,7-6 |