Round: 1
| Bulgaria Liga Pro | 2021/09/10 17:00 | Vitaliy Zaychikov v Artem Belousov | 6-4,4-6,10-3 |
| 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 | 2021/08/24 17:00 | Zoriy Oganov v Artem Belousov | 7-6,6-3 |
| Bulgaria Liga Pro | 2021/08/22 18:30 | Artem Belousov v Zoriy Oganov | 3-6,6-3,3-10 |
| Bulgaria Liga Pro | 2021/08/22 17:00 | Zoriy Oganov v Artem Belousov | 4-6,6-3,7-10 |
| Bulgaria Liga Pro | 2021/08/20 18:30 | Artem Belousov v Zoriy Oganov | 0-6,6-2,7-10 |
| 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 |
| Bulgaria Liga Pro | 2021/08/09 18:30 | Dmitry Morgovsky v Vitaliy Zaychikov | 5-7,7-6,7-10 |
| Bulgaria Liga Pro | 2021/08/09 17:00 | Vitaliy Zaychikov v Dmitry Morgovsky | 7-6,6-1 |
| Bulgaria Liga Pro | 2021/07/13 18:30 | Vitaliy Zaychikov v Zoriy Oganov | 3-6,4-6 |
| Bulgaria Liga Pro | 2021/07/13 17:00 | Zoriy Oganov v Vitaliy Zaychikov | 6-4,2-6,4-10 |