| 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 |
| Bulgaria Liga Pro | 2021/07/07 18:30 | Vitaliy Zaychikov v Zoriy Oganov | 6-3,7-6 |
| Bulgaria Liga Pro | 2021/07/07 17:00 | Zoriy Oganov v Vitaliy Zaychikov | 7-5,7-6 |
| Bulgaria Liga Pro | 2021/06/21 18:30 | Vitaliy Zaychikov v Zoriy Oganov | 6-4,2-6,11-13 |
| Bulgaria Liga Pro | 2021/06/21 17:00 | Zoriy Oganov v Vitaliy Zaychikov | 6-4,2-6,10-6 |
| Bulgaria Liga Pro | 2021/10/20 09:00 | Zoriy Oganov v Vsevolod Fokin | 2-6,1-6 |
| Bulgaria Liga Pro | 2021/10/20 07:30 | Vsevolod Fokin v Zoriy Oganov | 6-2,6-3 |
| Bulgaria Liga Pro | 2021/10/06 09:00 | Zoriy Oganov v Vsevolod Fokin | 6-7,6-7 |
| Bulgaria Liga Pro | 2021/10/06 07:30 | Vsevolod Fokin v Zoriy Oganov | 6-4,6-3 |
| Bulgaria Liga Pro | 2021/08/30 18:30 | Vsevolod Fokin v Zoriy Oganov | 4-6,6-2,10-2 |
| Bulgaria Liga Pro | 2021/08/30 17:00 | Zoriy Oganov v Vsevolod Fokin | 6-4,6-7,10-7 |
| Bulgaria Liga Pro | 2021/08/28 18:30 | Zoriy Oganov v Vsevolod Fokin | 6-3,0-6,8-10 |
| Bulgaria Liga Pro | 2021/08/28 17:00 | Vsevolod Fokin v Zoriy Oganov | 2-6,7-5,5-10 |
| Bulgaria Liga Pro | 2022/04/26 18:30 | Andrei Pasternak v Vitaliy Zaychikov | 1-6,7-6,10-8 |
| Bulgaria Liga Pro | 2022/04/26 17:00 | Vitaliy Zaychikov v Andrei Pasternak | 2-6,3-6 |
| Bulgaria Liga Pro | 2021/11/12 18:30 | Vitaliy Zaychikov v Vasily Trifonov | 6-1,3-6,10-6 |
| Bulgaria Liga Pro | 2021/11/12 17:00 | Vasily Trifonov v Vitaliy Zaychikov | 6-0,6-4 |
| Bulgaria Liga Pro | 2021/10/22 18:30 | Vasily Trifonov v Vitaliy Zaychikov | 6-1,2-6,7-10 |
| Bulgaria Liga Pro | 2021/10/22 17:00 | Vitaliy Zaychikov v Vasily Trifonov | 0-6,3-6 |
| Bulgaria Liga Pro | 2021/09/16 18:30 | Artem Belousov v Vitaliy Zaychikov | 4-6,4-6 |
| Bulgaria Liga Pro | 2021/09/16 17:00 | Vitaliy Zaychikov v Artem Belousov | 7-5,3-6,7-10 |