Round: 1
| Bulgaria Liga Pro | 2021/08/23 17:00 | Mihail Minchenkov v Dmitriy Volkov | 7-6,2-6,10-7 |
| Bulgaria Liga Pro | 2021/08/17 18:30 | Dmitriy Volkov v Mihail Minchenkov | 2-6,3-6 |
| Bulgaria Liga Pro | 2021/08/17 17:00 | Mihail Minchenkov v Dmitriy Volkov | 6-0,6-3 |
| Bulgaria Liga Pro | 2021/06/28 06:00 | Mihail Minchenkov v Dmitriy Volkov | 5-7,6-4,10-7 |
| Bulgaria Liga Pro | 2021/06/28 04:30 | Dmitriy Volkov v Mihail Minchenkov | 6-4,6-7,6-10 |
| Bulgaria Liga Pro | 2021/06/22 06:00 | Dmitriy Volkov v Mihail Minchenkov | 6-3,7-5 |
| Bulgaria Liga Pro | 2021/06/22 04:30 | Mihail Minchenkov v Dmitriy Volkov | 6-2,2-6,9-11 |