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