| Bulgaria Liga Pro | 2021/09/16 17:00 | Vitaliy Zaychikov v Artem Belousov | 7-5,3-6,7-10 |
| Bulgaria Liga Pro | 2021/09/10 18:30 | Artem Belousov v Vitaliy Zaychikov | 3-6,6-1,8-10 |
| Bulgaria Liga Pro | 2021/09/10 17:00 | Vitaliy Zaychikov v Artem Belousov | 6-4,4-6,10-3 |
| Bulgaria Liga Pro | 2021/09/16 17:00 | Vitaliy Zaychikov v Artem Belousov | 7-5,3-6,7-10 |
| Bulgaria Liga Pro | 2021/09/12 18:30 | Artem Terekhov v Artem Belousov | 4-6,0-6 |
| Bulgaria Liga Pro | 2021/09/12 17:00 | Artem Belousov v Artem Terekhov | 6-2,6-4 |
| Bulgaria Liga Pro | 2021/09/10 18:30 | Artem Belousov v Vitaliy Zaychikov | 3-6,6-1,8-10 |
| Bulgaria Liga Pro | 2021/09/10 17:00 | Vitaliy Zaychikov v Artem Belousov | 6-4,4-6,10-3 |
| Bulgaria Liga Pro | 2021/08/26 18:30 | Artem Belousov v Vsevolod Fokin | 3-6,6-4,6-10 |
| Bulgaria Liga Pro | 2021/08/26 17:00 | Vsevolod Fokin v Artem Belousov | 6-1,6-1 |
| Bulgaria Liga Pro | 2021/08/24 18:30 | Artem Belousov v Zoriy Oganov | 3-6,6-7 |
| Bulgaria Liga Pro | 2021/09/16 17:00 | Vitaliy Zaychikov v Artem Belousov | 7-5,3-6,7-10 |
| Bulgaria Liga Pro | 2021/09/14 18:30 | Artem Terekhov v Vitaliy Zaychikov | 4-6,2-6 |
| Bulgaria Liga Pro | 2021/09/14 17:00 | Vitaliy Zaychikov v Artem Terekhov | 6-4,6-3 |
| Bulgaria Liga Pro | 2021/09/10 18:30 | Artem Belousov v Vitaliy Zaychikov | 3-6,6-1,8-10 |
| Bulgaria Liga Pro | 2021/09/10 17:00 | Vitaliy Zaychikov v Artem Belousov | 6-4,4-6,10-3 |
| Bulgaria Liga Pro | 2021/08/15 17:00 | Vitaliy Zaychikov v Vasily Trifonov | 3-6,6-3,10-2 |
| Bulgaria Liga Pro | 2021/08/11 18:30 | Vasily Trifonov v Vitaliy Zaychikov | 6-3,1-6,3-10 |
| Bulgaria Liga Pro | 2021/08/11 17:00 | Vitaliy Zaychikov v Vasily Trifonov | 6-3,7-5 |