| TT Cup | 2021/10/13 10:05 | Kovalchuk, Nazar v Shcherbak, Denys | L | 2-3 |
| TT Cup | 2021/08/08 14:20 | Shcherbak, Denys v Kovalchuk, Nazar | W | 1-3 |
| TT Cup | 2021/08/07 15:30 | Shcherbak, Denys v Kovalchuk, Nazar | L | 3-0 |
| TT Cup | 2020/08/30 10:05 | Kovalchuk, Nazar v Shcherbak, Denys | W | 3-0 |
| TT Cup | 2020/08/29 06:00 | Shcherbak, Denys v Kovalchuk, Nazar | L | 3-1 |
| TT Cup | 2020/08/06 08:20 | Kovalchuk, Nazar v Shcherbak, Denys | L | 1-3 |
| TT Cup | 2020/08/05 12:25 | Kovalchuk, Nazar v Shcherbak, Denys | W | 3-2 |
| TT Cup | 2020/07/21 23:05 | Kovalchuk, Nazar v Shcherbak, Denys | W | 3-0 |
| TT Cup | 2021/10/13 11:50 | Kovalchuk, Nazar v Tsybulin, Sergey | W | 3-0 |
| TT Cup | 2021/10/13 10:05 | Kovalchuk, Nazar v Shcherbak, Denys | L | 2-3 |
| TT Cup | 2021/10/13 08:20 | Kovalchuk, Nazar v Andrii Baklykov | L | 2-3 |
| TT Cup | 2021/10/13 06:35 | Kovalchuk, Nazar v Shkurupii, A. | L | 0-3 |
| TT Cup | 2021/10/13 04:50 | Kovalchuk, Nazar v Krutko, Aleksey | L | 2-3 |
| TT Cup | 2021/10/12 09:30 | Andrii Datsenko v Kovalchuk, Nazar | W | 2-3 |
| TT Cup | 2021/10/12 08:55 | Kovalchuk, Nazar v Vovk, Vitalii | W | 3-1 |
| TT Cup | 2021/10/12 06:35 | Kovalchuk, Nazar v Volodymyr Plishylo | L | 1-3 |
| TT Cup | 2021/10/13 12:25 | Shcherbak, Denys v Krutko, Aleksey | W | 3-0 |
| TT Cup | 2021/10/13 10:05 | Kovalchuk, Nazar v Shcherbak, Denys | W | 2-3 |
| TT Cup | 2021/10/13 08:55 | Shcherbak, Denys v Shkurupii, A. | L | 2-3 |
| TT Cup | 2021/10/13 07:45 | Tsybulin, Sergey v Shcherbak, Denys | W | 2-3 |
| TT Cup | 2021/10/13 06:00 | Shcherbak, Denys v Andrii Baklykov | L | 1-3 |
| TT Cup | 2021/10/10 17:00 | Roman Cherevko v Shcherbak, Denys | L | 3-0 |
| TT Cup | 2021/10/10 15:50 | Kuzyo, Levko v Shcherbak, Denys | W | 1-3 |
| TT Cup | 2021/10/10 12:20 | Krivorotko, E. v Shcherbak, Denys | W | 2-3 |