| Bulgaria Liga Pro | 2021/08/12 04:30 | Ivan Korol v Andrei Smirnov | 6-1,6-4 |
| Bulgaria Liga Pro | 2021/08/07 05:30 | Ivan Korol v Andrei Smirnov | 6-3,6-2 |
| Bulgaria Liga Pro | 2021/08/07 04:00 | Andrei Smirnov v Ivan Korol | 0-6,1-6 |
| Bulgaria Liga Pro | 2021/08/12 04:30 | Ivan Korol v Andrei Smirnov | 6-1,6-4 |
| Bulgaria Liga Pro | 2021/08/10 06:00 | Mikhail Suvorov v Andrei Smirnov | 4-6,6-3,5-10 |
| Bulgaria Liga Pro | 2021/08/10 04:30 | Andrei Smirnov v Mikhail Suvorov | 6-1,6-3 |
| Bulgaria Liga Pro | 2021/08/07 05:30 | Ivan Korol v Andrei Smirnov | 6-3,6-2 |
| Bulgaria Liga Pro | 2021/08/07 04:00 | Andrei Smirnov v Ivan Korol | 0-6,1-6 |
| Bulgaria Liga Pro | 2021/08/05 06:00 | Mikhail Suvorov v Andrei Smirnov | 1-6,6-7 |
| Bulgaria Liga Pro | 2021/08/05 04:30 | Andrei Smirnov v Mikhail Suvorov | 6-0,6-3 |
| Bulgaria Liga Pro | 2021/08/01 06:00 | Andrei Smirnov v Mikhail Suvorov | 7-5,6-1 |
| Bulgaria Liga Pro | 2021/08/12 04:30 | Ivan Korol v Andrei Smirnov | 6-1,6-4 |
| Bulgaria Liga Pro | 2021/08/08 06:00 | Ivan Korol v Mikhail Suvorov | 6-4,7-5 |
| Bulgaria Liga Pro | 2021/08/08 04:30 | Mikhail Suvorov v Ivan Korol | 3-6,3-6 |
| Bulgaria Liga Pro | 2021/08/07 05:30 | Ivan Korol v Andrei Smirnov | 6-3,6-2 |
| Bulgaria Liga Pro | 2021/08/07 04:00 | Andrei Smirnov v Ivan Korol | 0-6,1-6 |
| 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 | 2021/06/25 06:00 | Vladimir Kulikov v Ivan Korol | 4-6,6-7 |