| Bulgaria Liga Pro | 2021/10/18 06:00 | Nikita Kuznetsov v Andrey Kapustin | 6-3,4-6,7-10 |
| Bulgaria Liga Pro | 2021/10/18 04:30 | Andrey Kapustin v Nikita Kuznetsov | 6-4,6-2 |
| Bulgaria Liga Pro | 2021/09/28 06:00 | Nikita Kuznetsov v Andrei Smirnov | 4-6,2-6 |
| Bulgaria Liga Pro | 2021/09/28 04:30 | Andrei Smirnov v Nikita Kuznetsov | 6-2,6-2 |
| Bulgaria Liga Pro | 2021/09/26 06:00 | Nikita Kuznetsov v Vladimir Kulikov | 4-6,7-6,5-10 |
| Bulgaria Liga Pro | 2021/09/26 04:30 | Vladimir Kulikov v Nikita Kuznetsov | 2-6,6-4,10-6 |
| Bulgaria Liga Pro | 2021/09/17 06:00 | Nikita Kuznetsov v Vladimir Kulikov | 6-4,2-6,2-10 |
| Bulgaria Liga Pro | 2021/09/17 04:30 | Vladimir Kulikov v Nikita Kuznetsov | 6-2,6-3 |
| Bulgaria Liga Pro | 2021/10/20 06:00 | Pavel Zelenkin v Andrey Kapustin | 2-6,3-6 |
| Bulgaria Liga Pro | 2021/10/20 04:30 | Andrey Kapustin v Pavel Zelenkin | 7-5,7-6 |
| Bulgaria Liga Pro | 2021/10/13 06:00 | Pavel Zelenkin v Andrei Smirnov | 6-4,7-6 |
| Bulgaria Liga Pro | 2021/10/13 04:30 | Andrei Smirnov v Pavel Zelenkin | 7-5,6-4 |
| Bulgaria Liga Pro | 2021/10/08 06:00 | Pavel Zelenkin v Andrey Kapustin | 1-6,4-6 |
| Bulgaria Liga Pro | 2021/10/08 04:30 | Andrey Kapustin v Pavel Zelenkin | 7-6,6-2 |