| TT Cup | 2020/09/03 11:25 | Kovalchuk, Nazar v Oleskevych, Olexander | L | 1-3 |
| TT Cup | 2020/09/03 08:30 | Oleskevych, Olexander v Kovalchuk, Nazar | W | 2-3 |
| TT Cup | 2020/09/02 09:05 | Oleskevych, Olexander v Kovalchuk, Nazar | W | 0-3 |
| Ukraine Win Cup | 2020/09/01 15:30 | Oleskevych, Olexander v Kovalchuk, Nazar | L | 3-2 |
| Ukraine Win Cup | 2020/09/01 12:30 | Kovalchuk, Nazar v Oleskevych, Olexander | L | 1-3 |
| TT Cup | 2020/08/30 04:50 | Kovalchuk, Nazar v Oleskevych, Olexander | W | 3-2 |
| TT Cup | 2020/08/29 13:00 | Kovalchuk, Nazar v Oleskevych, Olexander | W | 3-2 |
| TT Cup | 2020/08/23 13:25 | Oleskevych, Olexander v Kovalchuk, Nazar | W | 1-3 |
| TT Cup | 2020/09/16 04:50 | Kovalchuk, Nazar v Tsybulin, Sergey | L | 2-3 |
| TT Cup | 2020/09/14 11:05 | Danilyuk, Nazar v Kovalchuk, Nazar | L | 3-0 |
| TT Cup | 2020/09/14 08:45 | Verbyany, Vasily v Kovalchuk, Nazar | L | 3-0 |
| TT Cup | 2020/09/14 07:00 | Didukh, Viktor v Kovalchuk, Nazar | W | 0-3 |
| TT Cup | 2020/09/14 05:50 | Kushnyr, Vasiliy v Kovalchuk, Nazar | L | 3-0 |
| TT Cup | 2020/09/13 19:15 | Didukh, Viktor v Kovalchuk, Nazar | W | 1-3 |
| TT Cup | 2020/09/13 17:30 | Danilyuk, Nazar v Kovalchuk, Nazar | W | 1-3 |
| TT Cup | 2020/09/13 16:55 | Kovalchuk, Nazar v Kushnyr, Vasiliy | W | 3-2 |
| TT Cup | 2020/09/16 05:25 | Krutko, Aleksey v Oleskevych, Olexander | W | 1-3 |
| TT Cup | 2020/09/10 13:00 | Krutko, Aleksey v Oleskevych, Olexander | L | 3-0 |
| TT Cup | 2020/09/10 11:15 | Oleskevych, Olexander v Yevhen Masko | L | 2-3 |
| TT Cup | 2020/09/10 08:55 | Shcherbak, Denys v Oleskevych, Olexander | W | 1-3 |
| TT Cup | 2020/09/10 06:35 | Tsybulin, Sergey v Oleskevych, Olexander | W | 2-3 |
| TT Cup | 2020/09/10 05:25 | Boiko, Serhii v Oleskevych, Olexander | L | 3-1 |
| TT Cup | 2020/09/09 12:25 | Yevhen Masko v Oleskevych, Olexander | L | 3-0 |
| TT Cup | 2020/09/09 11:15 | Shcherbak, Denys v Oleskevych, Olexander | L | 3-2 |