Round: 1
| Bulgaria Liga Pro | 2021/07/30 17:00 | Kulikov, Vladimir v Vladimir Gusev | 6-3,6-1 |
| Bulgaria Liga Pro | 2021/07/24 18:30 | Kulikov, Vladimir v Vladimir Gusev | 6-0,4-6,10-5 |
| Bulgaria Liga Pro | 2021/07/24 17:00 | Kulikov, Vladimir v Vladimir Gusev | 4-6,6-2,10-7 |
| Bulgaria Liga Pro | 2021/07/30 17:00 | Kulikov, Vladimir v Vladimir Gusev | 6-3,6-1 |
| Bulgaria Liga Pro | 2021/07/28 18:30 | Andrey Abragin v Vladimir Gusev | 2-6,1-6 |
| Bulgaria Liga Pro | 2021/07/28 17:00 | Vladimir Gusev v Andrey Abragin | 5-7,7-5,3-10 |
| Bulgaria Liga Pro | 2021/07/24 18:30 | Kulikov, Vladimir v Vladimir Gusev | 6-0,4-6,10-5 |
| Bulgaria Liga Pro | 2021/07/24 17:00 | Kulikov, Vladimir v Vladimir Gusev | 4-6,6-2,10-7 |
| Bulgaria Liga Pro | 2021/07/30 17:00 | Kulikov, Vladimir v Vladimir Gusev | 6-3,6-1 |
| Bulgaria Liga Pro | 2021/07/30 06:00 | Smirnov, Andrei v Kulikov, Vladimir | 6-2,6-7,4-10 |
| Bulgaria Liga Pro | 2021/07/30 04:30 | Kulikov, Vladimir v Smirnov, Andrei | 1-6,2-6 |
| Bulgaria Liga Pro | 2021/07/28 06:00 | Kulikov, Vladimir v Smirnov, Andrei | 6-1,6-0 |
| Bulgaria Liga Pro | 2021/07/28 04:30 | Smirnov, Andrei v Kulikov, Vladimir | 7-5,3-6,10-5 |
| Bulgaria Liga Pro | 2021/07/26 18:30 | Andrey Abragin v Kulikov, Vladimir | 6-7,3-6 |
| Bulgaria Liga Pro | 2021/07/26 17:00 | Kulikov, Vladimir v Andrey Abragin | 6-3,6-4 |
| Bulgaria Liga Pro | 2021/07/26 06:00 | Kulikov, Vladimir v Pryakhin, Vladislav | 1-6,4-6 |