| TT Cup | 08/10 05:50 | - | Kovalchuk, Nazar v Oleskevych, Olexander | W | 3-2 | |
| TT Cup | 08/06 11:50 | - | Kovalchuk, Nazar v Boiko, Serhii | L | 2-3 | |
| TT Cup | 08/06 10:05 | - | Kovalchuk, Nazar v Yevhen Pysmennyi | L | 2-3 | |
| TT Cup | 08/06 08:20 | - | Kovalchuk, Nazar v Shcherbak, Denys | L | 1-3 | |
| TT Cup | 08/06 06:35 | - | Kovalchuk, Nazar v Baranovskiy, Sergey | W | 3-1 | |
| TT Cup | 08/06 04:50 | - | Kovalchuk, Nazar v Levadniy, Aleksandr | W | 3-0 | |
| TT Cup | 08/05 12:25 | - | Kovalchuk, Nazar v Shcherbak, Denys | W | 3-2 | |
| TT Cup | 08/05 10:05 | - | Levadniy, Aleksandr v Kovalchuk, Nazar | W | 0-3 | |
| TT Cup | 08/05 08:55 | - | Kovalchuk, Nazar v Yevhen Pysmennyi | L | 2-3 | |
| TT Cup | 08/05 07:45 | - | Boiko, Serhii v Kovalchuk, Nazar | W | 0-3 | |
| TT Cup | 08/05 06:00 | - | Kovalchuk, Nazar v Baranovskiy, Sergey | W | 3-0 | |
| TT Cup | 08/04 12:15 | - | Kovalchuk, Nazar v Danilyuk, Nazar | W | 3-0 | |
| TT Cup | 08/04 10:30 | - | Kovalchuk, Nazar v Gordiy, Andrey | L | 1-3 | |
| TT Cup | 08/04 09:20 | - | Kovalchuk, Nazar v Roman Zholubak | W | 3-1 | |
| TT Cup | 08/04 08:10 | - | Kovalchuk, Nazar v Volodymyr Plishylo | W | 3-2 | |
| TT Cup | 08/04 07:00 | - | Kovalchuk, Nazar v Danilyuk, Nazar | W | 3-2 | |
| TT Cup | 08/03 11:40 | - | Volodymyr Plishylo v Kovalchuk, Nazar | W | 1-3 | |
| TT Cup | 08/03 09:20 | - | Gordiy, Andrey v Kovalchuk, Nazar | L | 3-1 | |
| TT Cup | 08/03 08:45 | - | Kovalchuk, Nazar v Mosuk, Nazar | W | 3-1 | |
| TT Cup | 08/03 07:35 | - | Volodymyr Plishylo v Kovalchuk, Nazar | L | 3-1 | |
| TT Cup | 08/03 06:25 | - | Kovalchuk, Nazar v Roman Zholubak | W | 3-1 | |
| TT Cup | 07/30 12:00 | - | Anton Molochko v Kovalchuk, Nazar | L | 3-0 | |
| TT Cup | 07/30 10:50 | - | Tkachenko, Oleksandr v Kovalchuk, Nazar | W | 0-3 | |
| TT Cup | 07/30 08:30 | - | Zholubak, Mykhailo v Kovalchuk, Nazar | W | 2-3 | |
| TT Cup | 07/30 06:45 | - | Belskyi, Oleksandr v Kovalchuk, Nazar | W | 0-3 | |
| TT Cup | 07/30 05:35 | - | Anton Molochko v Kovalchuk, Nazar | L | 3-2 | |
| TT Cup | 07/29 11:25 | - | Kovalchuk, Nazar v Anton Molochko | W | 3-2 | |
| TT Cup | 07/29 10:15 | - | Tkachenko, Oleksandr v Kovalchuk, Nazar | L | 3-1 | |
| TT Cup | 07/29 09:40 | - | Kovalchuk, Nazar v Belskyi, Oleksandr | L | 1-3 | |
| TT Cup | 07/29 07:20 | - | Kovalchuk, Nazar v Anton Molochko | W | 3-0 |