| 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 | 2021/08/08 06:00 | Korol, Ivan v Mikhail Suvorov | 6-4,7-5 |
| Bulgaria Liga Pro | 2021/08/08 04:30 | Mikhail Suvorov v Korol, Ivan | 3-6,3-6 |
| 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 | 2021/06/27 06:00 | Korol, Ivan v Nikiforov, Alexey | 2-6,4-6 |
| Bulgaria Liga Pro | 2021/06/27 04:30 | Nikiforov, Alexey v Korol, Ivan | 3-6,6-2,10-6 |
| Bulgaria Liga Pro | 2021/06/25 06:00 | Kulikov, Vladimir v Korol, Ivan | 4-6,6-7 |
| Bulgaria Liga Pro | 2021/06/25 04:30 | Korol, Ivan v Kulikov, Vladimir | 4-6,6-4,10-6 |
| 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 | 2021/08/01 06:00 | Smirnov, Andrei v Mikhail Suvorov | 7-5,6-1 |
| Bulgaria Liga Pro | 2021/08/01 04:30 | Mikhail Suvorov v Smirnov, Andrei | 3-6,5-7 |