| Ukraina TT Cup | 2020/11/11 08:20 | Nazar Kovalchuk v Alexander Tkachenko | W | 1-3 |
| Ukraina TT Cup | 2020/07/30 10:50 | Alexander Tkachenko v Nazar Kovalchuk | L | 0-3 |
| Ukraina TT Cup | 2020/07/29 10:15 | Alexander Tkachenko v Nazar Kovalchuk | W | 3-1 |
| Ukraina TT Cup | 2020/06/30 16:30 | Alexander Tkachenko v Nazar Kovalchuk | L | 1-3 |
| Ukraina TT Cup | 2020/06/30 14:45 | Alexander Tkachenko v Nazar Kovalchuk | W | 3-2 |
| Ukraina TT Cup | 2020/06/29 13:40 | Nazar Kovalchuk v Alexander Tkachenko | L | 3-0 |
| Ukraina TT Cup | 2020/06/18 23:05 | Nazar Kovalchuk v Alexander Tkachenko | W | 0-3 |
| Ukraina TT Cup | 2020/06/17 23:05 | Nazar Kovalchuk v Alexander Tkachenko | L | 3-0 |
| Ukraina TT Cup | 2020/11/12 10:40 | Anton Molochko v Alexander Tkachenko | W | 1-3 |
| Ukraina TT Cup | 2020/11/12 08:55 | Dmytro Drobov v Alexander Tkachenko | W | 2-3 |
| Ukraina TT Cup | 2020/11/12 07:10 | Vasiliy Kushnyr v Alexander Tkachenko | L | 3-1 |
| Ukraina TT Cup | 2020/11/11 12:57 | Alexander Tkachenko v Anton Molochko | L | 2-3 |
| TT Cup | 2020/11/11 12:25 | Alexander Tkachenko v Anton Molochko | L | 2-3 |
| Ukraina TT Cup | 2020/11/11 10:05 | Dmytro Drobov v Alexander Tkachenko | L | 3-2 |
| Ukraina TT Cup | 2020/11/11 09:30 | Alexander Tkachenko v Vasiliy Kushnyr | L | 0-3 |
| Ukraina TT Cup | 2020/11/11 08:20 | Nazar Kovalchuk v Alexander Tkachenko | W | 1-3 |
| Ukraina TT Cup | 2020/11/12 09:30 | Vasiliy Kushnyr v Nazar Kovalchuk | L | 3-0 |
| Ukraina TT Cup | 2020/11/12 07:45 | Dmytro Drobov v Nazar Kovalchuk | L | 3-1 |
| Ukraina TT Cup | 2020/11/12 06:35 | Anton Molochko v Nazar Kovalchuk | W | 0-3 |
| Ukraina TT Cup | 2020/11/11 11:15 | Dmytro Drobov v Nazar Kovalchuk | L | 3-1 |
| Ukraina TT Cup | 2020/11/11 10:40 | Nazar Kovalchuk v Anton Molochko | L | 1-3 |
| Ukraina TT Cup | 2020/11/11 08:20 | Nazar Kovalchuk v Alexander Tkachenko | L | 1-3 |
| Ukraina TT Cup | 2020/11/11 06:35 | Nazar Kovalchuk v Vasiliy Kushnyr | L | 1-3 |
| Ukraina TT Cup | 2020/11/09 13:15 | Nazar Kovalchuk v Viktor Didukh | W | 3-1 |