| Bulgaria Liga Pro | 2021/07/13 06:00 | Andrey Kapustin v Nikita Kuznetsov | 6-2,6-1 |
| Bulgaria Liga Pro | 2021/07/13 04:30 | Nikita Kuznetsov v Andrey Kapustin | 3-6,3-6 |
| Bulgaria Liga Pro | 2021/07/11 06:00 | Andrey Kapustin v Nikita Kuznetsov | 5-7,6-2,10-5 |
| Bulgaria Liga Pro | 2021/07/11 04:30 | Nikita Kuznetsov v Andrey Kapustin | 6-3,6-4 |
| Bulgaria Liga Pro | 2021/09/07 06:00 | Vladimir Kulikov v Nikita Kuznetsov | 4-6,6-3,8-10 |
| Bulgaria Liga Pro | 2021/09/07 04:30 | Nikita Kuznetsov v Vladimir Kulikov | 2-6,2-6 |
| Bulgaria Liga Pro | 2021/09/05 06:00 | Nikita Kuznetsov v Vladislav Pryakhin | 3-6,4-6 |
| Bulgaria Liga Pro | 2021/09/05 04:30 | Vladislav Pryakhin v Nikita Kuznetsov | 6-4,3-6,8-10 |
| Bulgaria Liga Pro | 2021/07/13 06:00 | Andrey Kapustin v Nikita Kuznetsov | 6-2,6-1 |
| Bulgaria Liga Pro | 2021/07/13 04:30 | Nikita Kuznetsov v Andrey Kapustin | 3-6,3-6 |
| Bulgaria Liga Pro | 2021/07/11 06:00 | Andrey Kapustin v Nikita Kuznetsov | 5-7,6-2,10-5 |
| Bulgaria Liga Pro | 2021/07/11 04:30 | Nikita Kuznetsov v Andrey Kapustin | 6-3,6-4 |
| 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 |
| Bulgaria Liga Pro | 2021/08/30 06:00 | Andrey Kapustin v Vladimir Kulikov | 4-6,6-4,10-2 |
| Bulgaria Liga Pro | 2021/08/30 04:30 | Vladimir Kulikov v Andrey Kapustin | 3-6,4-6 |
| Bulgaria Liga Pro | 2021/08/28 05:30 | Ivan Erastov v Andrey Kapustin | 7-6,4-6,10-8 |
| Bulgaria Liga Pro | 2021/08/28 04:00 | Andrey Kapustin v Ivan Erastov | 6-2,6-0 |
| Bulgaria Liga Pro | 2021/08/02 06:00 | Andrey Kapustin v Alexey Nikiforov | 4-6,4-6 |
| Bulgaria Liga Pro | 2021/08/02 04:30 | Alexey Nikiforov v Andrey Kapustin | 7-5,4-6,10-5 |