| TT Cup | 07/19 14:45 | - | Levadniy, Aleksandr v Kovalchuk, Nazar | L | 3-1 | |
| TT Cup | 07/19 12:25 | - | 슈체르바크, 데니스 v Kovalchuk, Nazar | W | 1-3 | |
| TT Cup | 07/19 11:15 | - | Danilyuk, Nazar v Kovalchuk, Nazar | W | 0-3 | |
| TT Cup | 07/19 09:30 | - | Boiko, Serhii v Kovalchuk, Nazar | W | 0-3 | |
| TT Cup | 07/19 07:10 | - | Levadniy, Aleksandr v Kovalchuk, Nazar | L | 3-1 | |
| TT Cup | 07/19 04:50 | - | Krutko, Aleksey v Kovalchuk, Nazar | W | 1-3 | |
| TT Cup | 07/18 13:35 | - | Kovalchuk, Nazar v Boiko, Serhii | W | 3-2 | |
| TT Cup | 07/18 13:00 | - | Boiko, Serhii v Kovalchuk, Nazar | W | 1-3 | |
| TT Cup | 07/18 11:15 | - | Kovalchuk, Nazar v Levadniy, Aleksandr | L | 1-3 | |
| TT Cup | 07/18 08:55 | - | Krutko, Aleksey v Kovalchuk, Nazar | W | 0-3 | |
| TT Cup | 07/18 06:35 | - | 슈체르바크, 데니스 v Kovalchuk, Nazar | L | 3-2 | |
| TT Cup | 07/18 05:25 | - | Danilyuk, Nazar v Kovalchuk, Nazar | L | 3-1 | |
| TT Cup | 07/10 21:50 | - | Boiko, Serhii v Kovalchuk, Nazar | L | 3-0 | |
| TT Cup | 07/10 21:10 | - | 슈체르바크, 데니스 v Kovalchuk, Nazar | W | 0-3 | |
| TT Cup | 07/10 20:40 | - | Kovalchuk, Nazar v Kim, Petro | W | 3-0 | |
| TT Cup | 07/10 19:30 | - | Kovalchuk, Nazar v Krutko, Aleksey | W | 3-1 | |
| TT Cup | 07/10 18:50 | - | Kovalchuk, Nazar v Boiko, Serhii | L | 0-3 | |
| TT Cup | 07/09 20:00 | - | Boiko, Serhii v Kovalchuk, Nazar | W | 1-3 | |
| TT Cup | 07/09 19:30 | - | Krutko, Aleksey v Kovalchuk, Nazar | L | 3-2 | |
| TT Cup | 07/09 18:20 | - | Boiko, Serhii v Kovalchuk, Nazar | L | 3-2 | |
| TT Cup | 07/09 17:40 | - | Kim, Petro v Kovalchuk, Nazar | W | 2-3 | |
| TT Cup | 07/09 17:05 | - | 슈체르바크, 데니스 v Kovalchuk, Nazar | L | 3-1 | |
| TT Cup | 07/08 11:40 | - | Danilyuk, Nazar v Kovalchuk, Nazar | W | 1-3 | |
| TT Cup | 07/08 11:05 | - | Danilyuk, Nazar v Kovalchuk, Nazar | L | 3-0 | |
| TT Cup | 07/08 08:45 | - | 디두크, 빅터 v Kovalchuk, Nazar | W | 1-3 | |
| TT Cup | 07/08 07:00 | - | Kushnyr, Vasiliy v Kovalchuk, Nazar | L | 3-0 | |
| TT Cup | 07/08 05:50 | - | Yaremchuk, Dmytro v Kovalchuk, Nazar | L | 3-0 | |
| TT Cup | 07/07 19:15 | - | Kovalchuk, Nazar v Oleskevych, Olexander | L | 1-3 | |
| TT Cup | 07/07 17:30 | - | Plishilo, Volodymyr v Kovalchuk, Nazar | W | 2-3 | |
| TT Cup | 07/07 16:55 | - | Kovalchuk, Nazar v Gordiy, Andrey | L | 1-3 |