| Bulgaria Liga Pro | 2021/09/19 06:00 | Andrey Kapustin v Vladimir Kulikov | 1-6,6-7 |
| Bulgaria Liga Pro | 2021/09/19 04:30 | Vladimir Kulikov v Andrey Kapustin | 6-4,6-4 |
| Bulgaria Liga Pro | 2021/09/15 06:00 | Vladimir Kulikov v Andrey Kapustin | 6-2,6-3 |
| Bulgaria Liga Pro | 2021/09/15 04:30 | Andrey Kapustin v Vladimir Kulikov | 6-4,6-4 |
| Bulgaria Liga Pro | 2021/09/13 06:00 | Andrey Kapustin v Nikita Kuznetsov | 6-4,3-6,11-13 |
| Bulgaria Liga Pro | 2021/09/13 04:30 | Nikita Kuznetsov v Andrey Kapustin | 5-7,1-6 |
| Bulgaria Liga Pro | 2021/09/03 06:00 | Ivan Erastov v Andrey Kapustin | 6-3,6-4 |
| Bulgaria Liga Pro | 2021/09/03 04:30 | Andrey Kapustin v Ivan Erastov | 4-6,4-6 |