| 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 | 2020/07/09 09:40 | Evgeniy Pismenniy v Alexander Tkachenko | W | 0-3 |
| TT Cup Ukraine | 2020/07/09 07:55 | Volodymir Maksuta v Alexander Tkachenko | W | 2-3 |
| TT Cup Ukraine | 2020/07/09 06:10 | Anton Molochko v Alexander Tkachenko | L | 3-2 |
| TT Cup Ukraine | 2020/07/08 11:25 | Alexander Tkachenko v Anton Molochko | W | 3-0 |
| TT Cup Ukraine | 2020/07/08 10:50 | Alexander Tkachenko v Anton Molochko | W | 3-0 |
| TT Cup Ukraine | 2020/07/08 09:40 | Evgeniy Pismenniy v Alexander Tkachenko | L | 3-0 |
| TT Cup Ukraine | 2020/07/08 07:55 | Petro Kim v Alexander Tkachenko | W | 2-3 |
| TT Cup Ukraine | 2020/07/08 06:10 | Maxim Nikolenko v Alexander Tkachenko | W | 1-3 |
| TT Cup Ukraine | 2020/07/08 11:40 | Nazar Danilyuk v Nazar Kovalchuk | W | 1-3 |
| TT Cup Ukraine | 2020/07/08 11:05 | Nazar Danilyuk v Nazar Kovalchuk | L | 3-0 |
| TT Cup Ukraine | 2020/07/08 08:45 | Viktor Didukh v Nazar Kovalchuk | W | 1-3 |
| TT Cup Ukraine | 2020/07/08 07:00 | Vasiliy Kushnyr v Nazar Kovalchuk | L | 3-0 |
| TT Cup Ukraine | 2020/07/08 05:50 | Dmytro Yaremchuk v Nazar Kovalchuk | L | 3-0 |
| TT Cup Ukraine | 2020/07/07 19:15 | Nazar Kovalchuk v Olexander Oleskevych | L | 1-3 |
| TT Cup Ukraine | 2020/07/07 17:30 | Volodymyr Plishylo v Nazar Kovalchuk | W | 2-3 |
| TT Cup Ukraine | 2020/07/07 16:55 | Nazar Kovalchuk v Andrey Gordiy | L | 1-3 |