| Bulgaria Liga Pro | 2021/08/12 06:00 | Smirnov, Andrei v Korol, Ivan | 2-6,2-6 |
| Bulgaria Liga Pro | 2021/08/12 04:30 | Korol, Ivan v Smirnov, Andrei | 6-1,6-4 |
| Bulgaria Liga Pro | 2021/08/10 06:00 | Mikhail Suvorov v Smirnov, Andrei | 4-6,6-3,5-10 |
| Bulgaria Liga Pro | 2021/08/10 04:30 | Smirnov, Andrei v Mikhail Suvorov | 6-1,6-3 |
| Bulgaria Liga Pro | 2021/08/07 05:30 | Korol, Ivan v Smirnov, Andrei | 6-3,6-2 |
| Bulgaria Liga Pro | 2021/08/07 04:00 | Smirnov, Andrei v Korol, Ivan | 0-6,1-6 |
| Bulgaria Liga Pro | 2021/08/05 06:00 | Mikhail Suvorov v Smirnov, Andrei | 1-6,6-7 |
| Bulgaria Liga Pro | 2021/08/05 04:30 | Smirnov, Andrei v Mikhail Suvorov | 6-0,6-3 |
| 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 | 2021/09/13 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 | 2021/09/07 06:00 | Kulikov, Vladimir v Kuznetsov, Nikita | 4-6,6-3,8-10 |
| Bulgaria Liga Pro | 2021/09/07 04:30 | Kuznetsov, Nikita v Kulikov, Vladimir | 2-6,2-6 |