| TT Cup | 06/16 07:45 | - | Kovalchuk, Nazar v Boiko, Serhii | W | 3-2 | |
| TT Cup | 06/16 05:25 | - | Kovalchuk, Nazar v Shcherbak, Denys | W | 3-1 | |
| TT Cup | 06/15 13:00 | - | Kovalchuk, Nazar v Tkachenko, Oleksandr | W | 3-2 | |
| TT Cup | 06/15 10:40 | - | Boiko, Serhii v Kovalchuk, Nazar | L | 3-1 | |
| TT Cup | 06/15 08:20 | - | Nikolenko, Maxim v Kovalchuk, Nazar | L | 3-2 | |
| TT Cup | 06/15 07:10 | - | Kovalchuk, Nazar v May, Ivan | L | 1-3 | |
| TT Cup | 06/15 06:00 | - | Shcherbak, Denys v Kovalchuk, Nazar | L | 3-2 | |
| TT Cup | 06/10 11:40 | - | Kovalchuk, Nazar v Kushnyr, Vasiliy | W | 3-1 | |
| TT Cup | 06/10 11:05 | - | Gordiy, Andrey v Kovalchuk, Nazar | W | 1-3 | |
| TT Cup | 06/10 08:45 | - | Vasyl Verbianyi v Kovalchuk, Nazar | L | 3-0 | |
| TT Cup | 06/10 07:00 | - | Kushnyr, Vasiliy v Kovalchuk, Nazar | W | 1-3 | |
| TT Cup | 06/10 05:50 | - | Dmytro Yaremchuk v Kovalchuk, Nazar | L | 3-1 | |
| TT Cup | 06/09 11:40 | - | Dmytro Yaremchuk v Kovalchuk, Nazar | L | 3-0 | |
| TT Cup | 06/09 11:05 | - | Kovalchuk, Nazar v Gordiy, Andrey | W | 3-0 | |
| TT Cup | 06/09 09:55 | - | Danilyuk, Nazar v Kovalchuk, Nazar | L | 3-2 | |
| TT Cup | 06/09 08:10 | - | Dmytro Yaremchuk v Kovalchuk, Nazar | L | 3-2 | |
| TT Cup | 06/09 06:25 | - | Kushnyr, Vasiliy v Kovalchuk, Nazar | L | 3-2 | |
| TT Cup | 06/07 11:40 | - | Vasyl Verbianyi v Kovalchuk, Nazar | W | 2-3 | |
| TT Cup | 06/07 11:05 | - | May, Ivan v Kovalchuk, Nazar | W | 1-3 | |
| TT Cup | 06/07 08:45 | - | Vasyl Verbianyi v Kovalchuk, Nazar | L | 3-0 | |
| TT Cup | 06/07 07:00 | - | Didukh, Viktor v Kovalchuk, Nazar | L | 3-0 | |
| TT Cup | 06/07 05:50 | - | Oleskevych, Olexander v Kovalchuk, Nazar | W | 0-3 | |
| TT Cup | 06/03 12:15 | - | Didukh, Viktor v Kovalchuk, Nazar | L | 3-2 | |
| TT Cup | 06/03 10:30 | - | Kushnyr, Vasiliy v Kovalchuk, Nazar | L | 3-1 | |
| TT Cup | 06/03 09:55 | - | Kovalchuk, Nazar v Didukh, Viktor | L | 2-3 | |
| TT Cup | 06/03 07:35 | - | Kovalchuk, Nazar v Vasyl Verbianyi | W | 3-2 | |
| TT Cup | 06/03 05:50 | - | Kovalchuk, Nazar v May, Ivan | W | 3-1 | |
| TT Cup | 06/02 11:40 | - | Vasyl Verbianyi v Kovalchuk, Nazar | L | 3-2 | |
| TT Cup | 06/02 10:30 | - | Didukh, Viktor v Kovalchuk, Nazar | W | 1-3 | |
| TT Cup | 06/02 09:55 | - | Kovalchuk, Nazar v May, Ivan | L | 0-3 |