| TT Cup | 07/07 14:35 | - | Kovalchuk, Nazar v Oleskevych, Olexander | W | 3-1 | |
| TT Cup | 07/07 12:50 | - | Kovalchuk, Nazar v Mosuk, Nazar | W | 3-0 | |
| TT Cup | 07/06 18:40 | - | Kovalchuk, Nazar v Oleskevych, Olexander | W | 3-1 | |
| TT Cup | 07/06 18:05 | - | Kovalchuk, Nazar v Gordiy, Andrey | L | 2-3 | |
| TT Cup | 07/06 15:45 | - | Kovalchuk, Nazar v Kushnyr, Vasiliy | L | 0-3 | |
| TT Cup | 07/06 14:00 | - | Kovalchuk, Nazar v Oleskevych, Olexander | W | 3-2 | |
| TT Cup | 07/06 12:50 | - | Kovalchuk, Nazar v Volodymyr Plishylo | W | 3-0 | |
| TT Cup | 06/30 16:30 | - | Tkachenko, Oleksandr v Kovalchuk, Nazar | W | 1-3 | |
| TT Cup | 06/30 16:00 | - | Kovalchuk, Nazar v Oleksii Krutko | W | 3-0 | |
| TT Cup | 06/30 15:25 | - | Tsybulin, Sergey v Kovalchuk, Nazar | L | 3-2 | |
| TT Cup | 06/30 14:45 | - | Tkachenko, Oleksandr v Kovalchuk, Nazar | L | 3-2 | |
| TT Cup | 06/30 13:40 | - | Nikolenko, Maxim v Kovalchuk, Nazar | W | 1-3 | |
| TT Cup | 06/29 16:30 | - | Tsybulin, Sergey v Kovalchuk, Nazar | L | 3-0 | |
| TT Cup | 06/29 15:20 | - | Tsybulin, Sergey v Kovalchuk, Nazar | L | 3-0 | |
| TT Cup | 06/29 14:50 | - | Kovalchuk, Nazar v Nikolenko, Maxim | L | 2-3 | |
| TT Cup | 06/29 14:15 | - | Oleksii Krutko v Kovalchuk, Nazar | W | 1-3 | |
| TT Cup | 06/29 13:40 | - | Kovalchuk, Nazar v Tkachenko, Oleksandr | W | 3-0 | |
| TT Cup | 06/27 12:15 | - | Volodymyr Plishylo v Kovalchuk, Nazar | W | 2-3 | |
| TT Cup | 06/27 10:30 | - | Danilyuk, Nazar v Kovalchuk, Nazar | W | 1-3 | |
| TT Cup | 06/27 09:55 | - | Kovalchuk, Nazar v Gordiy, Andrey | W | 3-2 | |
| TT Cup | 06/27 07:35 | - | Kovalchuk, Nazar v Denys Pesternikov | W | 3-1 | |
| TT Cup | 06/27 05:50 | - | Kovalchuk, Nazar v Volodymyr Plishylo | L | 1-3 | |
| TT Cup | 06/26 11:40 | - | Kushnyr, Vasiliy v Kovalchuk, Nazar | W | 2-3 | |
| TT Cup | 06/26 11:05 | - | Danilyuk, Nazar v Kovalchuk, Nazar | W | 0-3 | |
| TT Cup | 06/26 08:45 | - | Vasyl Verbianyi v Kovalchuk, Nazar | L | 3-0 | |
| TT Cup | 06/26 07:00 | - | Dmytro Yaremchuk v Kovalchuk, Nazar | L | 3-1 | |
| TT Cup | 06/26 05:50 | - | Kushnyr, Vasiliy v Kovalchuk, Nazar | L | 3-0 | |
| TT Cup | 06/25 11:40 | - | Vasyl Verbianyi v Kovalchuk, Nazar | L | 3-1 | |
| TT Cup | 06/25 09:20 | - | Kushnyr, Vasiliy v Kovalchuk, Nazar | W | 2-3 | |
| TT Cup | 06/25 08:45 | - | Kovalchuk, Nazar v Danilyuk, Nazar | L | 2-3 |