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