| TT Cup Ukraine | 2020/07/30 10:50 | Alexander Tkachenko v Nazar Kovalchuk | W | 0-3 |
| TT Cup Ukraine | 2020/07/29 10:15 | Alexander Tkachenko v Nazar Kovalchuk | L | 3-1 |
| TT Cup Ukraine | 2020/06/30 16:30 | Alexander Tkachenko v Nazar Kovalchuk | W | 1-3 |
| TT Cup Ukraine | 2020/06/30 14:45 | Alexander Tkachenko v Nazar Kovalchuk | L | 3-2 |
| TT Cup Ukraine | 2020/06/29 13:40 | Nazar Kovalchuk v Alexander Tkachenko | W | 3-0 |
| TT Cup Ukraine | 2020/06/18 23:05 | Nazar Kovalchuk v Alexander Tkachenko | L | 0-3 |
| TT Cup Ukraine | 2020/06/17 23:05 | Nazar Kovalchuk v Alexander Tkachenko | W | 3-0 |
| TT Cup Ukraine | 2020/06/16 10:40 | Nazar Kovalchuk v Alexander Tkachenko | W | 3-0 |
| TT Cup Ukraine | 2020/11/11 06:35 | Nazar Kovalchuk v Vasiliy Kushnyr | L | 1-3 |
| TT Cup Ukraine | 2020/11/09 13:15 | Nazar Kovalchuk v Viktor Didukh | W | 3-1 |
| TT Cup Ukraine | 2020/11/09 12:05 | Nazar Kovalchuk v Viktor Didukh | W | 3-2 |
| TT Cup Ukraine | 2020/11/09 10:55 | Vasily Verbyany v Nazar Kovalchuk | W | 1-3 |
| TT Cup Ukraine | 2020/11/09 09:10 | Nazar Danilyuk v Nazar Kovalchuk | W | 1-3 |
| TT Cup Ukraine | 2020/11/09 07:25 | Vasiliy Kushnyr v Nazar Kovalchuk | W | 2-3 |
| TT Cup Ukraine | 2020/11/08 13:15 | Nazar Kovalchuk v Nazar Danilyuk | W | 3-1 |
| TT Cup Ukraine | 2020/11/08 10:20 | Vasily Verbyany v Nazar Kovalchuk | W | 1-3 |
| TT Cup Ukraine | 2020/11/11 07:10 | Alexander Tkachenko v Anton Molochko | W | 3-0 |
| TT Cup Ukraine | 2020/11/05 13:00 | Vladislav Kalugin v Alexander Tkachenko | W | 1-3 |
| TT Cup Ukraine | 2020/11/05 10:05 | Dmytro Drobov v Alexander Tkachenko | W | 2-3 |
| TT Cup Ukraine | 2020/11/05 09:30 | Alexander Tkachenko v Volodymir Maksuta | W | 3-1 |
| TT Cup Ukraine | 2020/11/05 08:20 | Denys Pesternikov v Alexander Tkachenko | W | 0-3 |
| TT Cup Ukraine | 2020/11/05 07:10 | Alexander Tkachenko v Vladislav Kalugin | L | 0-3 |
| TT Cup Ukraine | 2020/11/04 11:50 | Alexander Tkachenko v Denys Pesternikov | L | 2-3 |
| TT Cup Ukraine | 2020/11/04 10:40 | Volodymir Maksuta v Alexander Tkachenko | W | 2-3 |