| TT Cup | 2020/06/30 16:30 | Tkachenko, Oleksandr v Kovalchuk, Nazar | L | 1-3 |
| TT Cup | 2020/06/30 14:45 | Tkachenko, Oleksandr v Kovalchuk, Nazar | W | 3-2 |
| TT Cup | 2020/06/29 13:40 | Kovalchuk, Nazar v Tkachenko, Oleksandr | L | 3-0 |
| TT Cup | 2020/06/18 23:05 | Kovalchuk, Nazar v Tkachenko, Oleksandr | W | 0-3 |
| TT Cup | 2020/06/17 23:05 | Kovalchuk, Nazar v Tkachenko, Oleksandr | L | 3-0 |
| TT Cup | 2020/06/16 10:40 | Kovalchuk, Nazar v Tkachenko, Oleksandr | L | 3-0 |
| TT Cup | 2020/06/15 13:00 | Kovalchuk, Nazar v Tkachenko, Oleksandr | L | 3-2 |
| TT Cup | 2020/07/29 09:05 | Tkachenko, Oleksandr v Molochko, Anton | W | 3-0 |
| TT Cup | 2020/07/29 07:55 | Tkachenko, Oleksandr v Belskyi, Oleksandr | W | 3-0 |
| TT Cup | 2020/07/29 06:45 | Tkachenko, Oleksandr v Zholubak, Mykhailo | L | 0-3 |
| TT Cup | 2020/07/19 12:00 | Teterya, Yuriy v Tkachenko, Oleksandr | L | 3-2 |
| TT Cup | 2020/07/19 10:50 | Tkachenko, Oleksandr v Teterya, Yuriy | L | 1-3 |
| TT Cup | 2020/07/19 09:40 | Gaponov, Aleksey v Tkachenko, Oleksandr | L | 3-2 |
| TT Cup | 2020/07/19 07:55 | Drobov, Dmytro v Tkachenko, Oleksandr | W | 1-3 |
| TT Cup | 2020/07/19 06:10 | Schepanskiy, Yuriy v Tkachenko, Oleksandr | W | 1-3 |
| TT Cup | 2020/07/29 09:40 | Kovalchuk, Nazar v Belskyi, Oleksandr | L | 1-3 |
| TT Cup | 2020/07/29 07:20 | Kovalchuk, Nazar v Molochko, Anton | W | 3-0 |
| TT Cup | 2020/07/29 05:35 | Kovalchuk, Nazar v Zholubak, Mykhailo | W | 3-2 |
| TT Cup | 2020/07/28 12:15 | Kovalchuk, Nazar v Kushnyr, Vasiliy | W | 3-2 |
| TT Cup | 2020/07/28 10:30 | Zholubak, Mykhailo v Kovalchuk, Nazar | W | 2-3 |
| TT Cup | 2020/07/28 09:55 | Kovalchuk, Nazar v Gordiy, Andrey | W | 3-0 |
| TT Cup | 2020/07/28 07:35 | Kovalchuk, Nazar v Verbyany, Vasily | L | 0-3 |
| TT Cup | 2020/07/28 05:50 | Kovalchuk, Nazar v Kushnyr, Vasiliy | W | 3-1 |