Round: 1
| Bulgaria Liga Pro | 2021/10/25 04:30 | Andrey Kapustin v Kuznetsov, Nikita | 3-6,4-6 |
| 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 | 2021/09/13 06:00 | Andrey Kapustin v Kuznetsov, Nikita | 6-4,3-6,11-13 |
| Bulgaria Liga Pro | 2021/09/13 04:30 | Kuznetsov, Nikita v Andrey Kapustin | 5-7,1-6 |
| Bulgaria Liga Pro | 2021/07/13 06:00 | Andrey Kapustin v Kuznetsov, Nikita | 6-2,6-1 |
| Bulgaria Liga Pro | 2021/07/13 04:30 | Kuznetsov, Nikita v Andrey Kapustin | 3-6,3-6 |
| Bulgaria Liga Pro | 2021/07/11 06:00 | Andrey Kapustin v Kuznetsov, Nikita | 5-7,6-2,10-5 |
| Bulgaria Liga Pro | 2021/10/25 04:30 | Andrey Kapustin v Kuznetsov, Nikita | 3-6,4-6 |
| Bulgaria Liga Pro | 2021/10/22 06:00 | Zelenkin, Pavel v Kuznetsov, Nikita | 3-6,2-6 |
| Bulgaria Liga Pro | 2021/10/22 04:30 | Kuznetsov, Nikita v Zelenkin, Pavel | 6-3,6-3 |
| 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 | 2021/10/25 04:30 | Andrey Kapustin v Kuznetsov, Nikita | 3-6,4-6 |
| 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 | 2021/10/18 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 | 2021/10/15 06:00 | Smirnov, Andrei v Andrey Kapustin | 6-3,3-6,11-9 |
| Bulgaria Liga Pro | 2021/10/15 04:30 | Andrey Kapustin v Smirnov, Andrei | 2-6,6-4,10-12 |
| Bulgaria Liga Pro | 2021/10/11 06:00 | Andrey Kapustin v Smirnov, Andrei | 6-3,3-6,7-10 |