| TT Cup (2022) | 2022/03/22 08:20 | Alexander Tkachenko v Nazar Kovalchuk | W | 1-3 |
| TT Cup (2022) | 2022/03/21 10:50 | Nazar Kovalchuk v Alexander Tkachenko | W | 3-2 |
| TT Cup Ukraine | 2021/12/23 13:00 | Nazar Kovalchuk v Alexander Tkachenko | W | 3-0 |
| TT Cup Ukraine | 2021/12/23 07:45 | Alexander Tkachenko v Nazar Kovalchuk | W | 1-3 |
| TT Cup Ukraine | 2021/12/22 11:50 | Nazar Kovalchuk v Alexander Tkachenko | L | 1-3 |
| TT Cup Ukraine | 2021/03/07 17:05 | Alexander Tkachenko v Nazar Kovalchuk | L | 3-1 |
| TT Cup Ukraine | 2021/03/06 17:05 | Alexander Tkachenko v Nazar Kovalchuk | W | 1-3 |
| TT Cup (2020) | 2020/11/12 12:25 | Alexander Tkachenko v Nazar Kovalchuk | W | 1-3 |
| TT Cup (2022) | 2022/03/26 18:20 | Nazar Kovalchuk v Yuryi Shchepanskyi | W | 3-2 |
| TT Cup (2022) | 2022/03/26 16:50 | Nazar Kovalchuk v Yuryi Shchepanskyi | W | 3-0 |
| TT Cup (2022) | 2022/03/26 15:50 | Nazar Kovalchuk v Serhii Tsybulin | W | 3-0 |
| TT Cup (2022) | 2022/03/26 14:50 | Nazar Kovalchuk v Vladislav Kalugin | W | 3-0 |
| TT Cup (2022) | 2022/03/26 13:50 | Nazar Kovalchuk v Anton Molochko | L | 2-3 |
| TT Cup (2022) | 2022/03/25 18:20 | Anton Molochko v Nazar Kovalchuk | W | 0-3 |
| TT Cup (2022) | 2022/03/25 16:50 | Yuryi Shchepanskyi v Nazar Kovalchuk | L | 3-2 |
| TT Cup (2022) | 2022/03/25 16:20 | Nazar Kovalchuk v Anton Molochko | L | 2-3 |
| TT Cup (2022) | 2022/03/28 11:50 | Vladislav Kalugin v Alexander Tkachenko | L | 3-2 |
| TT Cup (2022) | 2022/03/26 12:20 | Alexander Tkachenko v David Simonchuk | W | 3-0 |
| TT Cup (2022) | 2022/03/26 10:50 | Volodymyr Plishylo v Alexander Tkachenko | W | 0-3 |
| TT Cup (2022) | 2022/03/26 10:20 | Alexander Tkachenko v Denis Vakulenko | W | 3-1 |
| TT Cup (2022) | 2022/03/26 08:20 | Alexander Tkachenko v David Simonchuk | W | 3-0 |
| TT Cup (2022) | 2022/03/26 06:50 | Alexander Tkachenko v Oleksandr Kovalov | L | 1-3 |
| TT Cup (2022) | 2022/03/25 12:20 | Volodymyr Plishylo v Alexander Tkachenko | W | 2-3 |
| TT Cup (2022) | 2022/03/25 10:50 | Denis Vakulenko v Alexander Tkachenko | W | 2-3 |