| 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 |