Round: 1
| Bulgaria Liga Pro | 2021/07/04 04:30 | Mikhail Suvorov v Alexey Nikiforov | 5-7,4-6 |
| Bulgaria Liga Pro | 2021/07/04 04:30 | Mikhail Suvorov v Alexey Nikiforov | 5-7,4-6 |
| Bulgaria Liga Pro | 2021/07/02 06:00 | Alexey Nikiforov v Vladislav Pryakhin | 6-0,6-3 |
| Bulgaria Liga Pro | 2021/07/02 04:30 | Vladislav Pryakhin v Alexey Nikiforov | 2-6,4-6 |
| Bulgaria Liga Pro | 2021/06/27 06:00 | Ivan Korol v Alexey Nikiforov | 2-6,4-6 |
| Bulgaria Liga Pro | 2021/06/27 04:30 | Alexey Nikiforov v Ivan Korol | 3-6,6-2,10-6 |
| Bulgaria Liga Pro | 2021/06/23 04:30 | Ivan Korol v Alexey Nikiforov | 6-2,4-6,9-11 |
| Bulgaria Liga Pro | 2021/06/21 06:00 | Alexey Nikiforov v Vladimir Kulikov | 6-1,6-1 |
| Bulgaria Liga Pro | 2021/06/21 04:30 | Vladimir Kulikov v Alexey Nikiforov | 1-6,6-7 |
| Bulgaria Liga Pro | 2021/07/04 04:30 | Mikhail Suvorov v Alexey Nikiforov | 5-7,4-6 |
| Bulgaria Liga Pro | 2021/06/30 06:00 | Mikhail Suvorov v Vladislav Pryakhin | 6-4,5-7,10-8 |
| Bulgaria Liga Pro | 2021/06/30 04:30 | Vladislav Pryakhin v Mikhail Suvorov | 6-4,7-6 |