| TT Cup | 2021/10/13 11:50 | Kovalchuk, Nazar v Tsybulin, Sergey | W | 3-0 |
| TT Cup | 2021/04/07 23:35 | Kovalchuk, Nazar v Tsybulin, Sergey | W | 3-2 |
| TT Cup | 2021/03/18 08:10 | Tsybulin, Sergey v Kovalchuk, Nazar | L | 3-0 |
| TT Cup | 2021/03/17 07:40 | Tsybulin, Sergey v Kovalchuk, Nazar | L | 3-0 |
| TT Cup | 2021/03/11 08:10 | Tsybulin, Sergey v Kovalchuk, Nazar | W | 2-3 |
| TT Cup | 2021/03/10 08:10 | Kovalchuk, Nazar v Tsybulin, Sergey | W | 3-0 |
| TT Cup | 2021/03/04 08:45 | Tsybulin, Sergey v Kovalchuk, Nazar | W | 1-3 |
| TT Cup | 2021/03/03 10:30 | Kovalchuk, Nazar v Tsybulin, Sergey | W | 3-1 |
| TT Cup | 2021/10/27 06:35 | Kovalchuk, Nazar v Shkurupii, A. | L | 1-3 |
| TT Cup | 2021/10/27 04:50 | Kovalchuk, Nazar v Shcherbak, Denys | W | 3-1 |
| TT Cup | 2021/10/26 10:40 | Riabukhin, Anton v Kovalchuk, Nazar | L | 3-2 |
| TT Cup | 2021/10/26 08:20 | Vovk, Vitalii v Kovalchuk, Nazar | W | 2-3 |
| TT Cup | 2021/10/26 07:45 | Kovalchuk, Nazar v Riabukhin, Anton | L | 0-3 |
| TT Cup | 2021/10/26 06:35 | Vakulenko, Denis v Kovalchuk, Nazar | W | 0-3 |
| TT Cup | 2021/10/26 05:25 | Kovalchuk, Nazar v Volodymyr Plishylo | L | 1-3 |
| TT Cup | 2021/10/25 10:40 | Kovalchuk, Nazar v Vovk, Vitalii | W | 3-2 |
| TT Cup | 2021/10/27 07:10 | Tsybulin, Sergey v Shcherbak, Denys | L | 0-3 |
| TT Cup | 2021/10/27 06:00 | Boiko, Serhii v Tsybulin, Sergey | W | 0-3 |
| TT Cup | 2021/10/24 14:10 | Levadniy, Aleksandr v Tsybulin, Sergey | W | 1-3 |
| TT Cup | 2021/10/24 11:50 | Tsybulin, Sergey v Shkurupii, A. | W | 3-0 |
| TT Cup | 2021/10/24 10:05 | Tsybulin, Sergey v Levadniy, Aleksandr | L | 0-3 |
| TT Cup | 2021/10/24 08:20 | Tsybulin, Sergey v Yevhen Masko | W | 3-0 |
| TT Cup | 2021/10/24 06:35 | Tsybulin, Sergey v Andrii Baklykov | L | 1-3 |
| TT Cup | 2021/10/24 04:50 | Tsybulin, Sergey v Roman Cherevko | L | 1-3 |