| TT Cup | 2022/07/17 07:35 | Tkachenko, Oleksandr v Kovalchuk, Nazar | W | 0-3 |
| TT Cup | 2022/07/14 09:35 | Tkachenko, Oleksandr v Kovalchuk, Nazar | W | 1-3 |
| TT Cup | 2022/07/09 09:35 | Kovalchuk, Nazar v Tkachenko, Oleksandr | W | 3-2 |
| TT Cup | 2022/07/07 07:05 | Tkachenko, Oleksandr v Kovalchuk, Nazar | W | 2-3 |
| TT Cup | 2022/06/30 09:35 | Tkachenko, Oleksandr v Kovalchuk, Nazar | W | 0-3 |
| TT Cup | 2022/06/26 06:35 | Tkachenko, Oleksandr v Kovalchuk, Nazar | W | 1-3 |
| TT Cup | 2022/06/23 05:35 | Tkachenko, Oleksandr v Kovalchuk, Nazar | W | 1-3 |
| TT Cup | 2022/06/22 08:05 | Tkachenko, Oleksandr v Kovalchuk, Nazar | L | 3-1 |
| TT Cup | 2022/07/17 10:05 | Kovalchuk, Nazar v Anton Molochko | L | 2-3 |
| TT Cup | 2022/07/17 09:05 | Tsybulin, Sergey v Kovalchuk, Nazar | L | 3-2 |
| TT Cup | 2022/07/17 07:35 | Tkachenko, Oleksandr v Kovalchuk, Nazar | W | 0-3 |
| TT Cup | 2022/07/17 06:05 | Andrii Baklykov v Kovalchuk, Nazar | W | 0-3 |
| TT Cup | 2022/07/16 11:05 | Volodymyr Plishylo v Kovalchuk, Nazar | W | 1-3 |
| TT Cup | 2022/07/16 08:35 | Anton Molochko v Kovalchuk, Nazar | W | 2-3 |
| TT Cup | 2022/07/16 08:05 | Kovalchuk, Nazar v Simonchuk, David | L | 0-3 |
| TT Cup | 2022/07/16 07:05 | Andrii Baklykov v Kovalchuk, Nazar | W | 0-3 |
| TT Cup | 2022/07/17 09:35 | Tkachenko, Oleksandr v Tsybulin, Sergey | L | 0-3 |
| TT Cup | 2022/07/17 08:35 | Tkachenko, Oleksandr v Andrii Baklykov | W | 3-2 |
| TT Cup | 2022/07/17 07:35 | Tkachenko, Oleksandr v Kovalchuk, Nazar | L | 0-3 |
| TT Cup | 2022/07/17 06:35 | Tkachenko, Oleksandr v Anton Molochko | L | 1-3 |
| TT Cup | 2022/07/14 10:35 | Dmytro Yaremchuk v Tkachenko, Oleksandr | W | 1-3 |
| TT Cup | 2022/07/14 09:35 | Tkachenko, Oleksandr v Kovalchuk, Nazar | L | 1-3 |
| TT Cup | 2022/07/14 08:35 | Tkachenko, Oleksandr v Dmytro Yaremchuk | L | 0-3 |
| TT Cup | 2022/07/14 07:35 | Tkachenko, Oleksandr v Anton Molochko | L | 2-3 |