| TT Cup | 2022/06/09 10:05 | Kovalchuk, Nazar v Tkachenko, Oleksandr | W | 3-2 |
| TT Cup | 2022/06/05 06:35 | Tkachenko, Oleksandr v Kovalchuk, Nazar | W | 2-3 |
| TT Cup | 2022/05/29 09:05 | Tkachenko, Oleksandr v Kovalchuk, Nazar | W | 0-3 |
| TT Cup | 2022/05/28 07:05 | Kovalchuk, Nazar v Tkachenko, Oleksandr | W | 3-1 |
| TT Cup | 2022/05/09 14:05 | Kovalchuk, Nazar v Tkachenko, Oleksandr | W | 3-2 |
| TT Cup | 2022/05/05 11:05 | Tkachenko, Oleksandr v Kovalchuk, Nazar | W | 2-3 |
| TT Cup | 2022/05/05 10:05 | Kovalchuk, Nazar v Tkachenko, Oleksandr | L | 2-3 |
| TT Cup | 2022/05/04 06:05 | Kovalchuk, Nazar v Tkachenko, Oleksandr | W | 3-0 |
| TT Cup | 2022/06/09 10:05 | Kovalchuk, Nazar v Tkachenko, Oleksandr | W | 3-2 |
| TT Cup | 2022/06/09 09:05 | Andrii Baklykov v Kovalchuk, Nazar | W | 1-3 |
| TT Cup | 2022/06/09 07:35 | Anton Molochko v Kovalchuk, Nazar | L | 3-2 |
| TT Cup | 2022/06/09 06:05 | Levshin, Anatoly v Kovalchuk, Nazar | W | 1-3 |
| TT Cup | 2022/06/08 10:35 | Kovalchuk, Nazar v Simonchuk, David | W | 3-1 |
| TT Cup | 2022/06/08 10:05 | Kovalchuk, Nazar v Simonchuk, David | W | 3-0 |
| TT Cup | 2022/06/08 09:05 | Andrii Baklykov v Kovalchuk, Nazar | L | 3-0 |
| TT Cup | 2022/06/08 07:35 | Schepanskiy, Yuriy v Kovalchuk, Nazar | W | 1-3 |
| TT Cup | 2022/06/09 10:05 | Kovalchuk, Nazar v Tkachenko, Oleksandr | L | 3-2 |
| TT Cup | 2022/06/09 08:05 | Levshin, Anatoly v Tkachenko, Oleksandr | W | 2-3 |
| TT Cup | 2022/06/09 06:35 | Anton Molochko v Tkachenko, Oleksandr | W | 2-3 |
| TT Cup | 2022/06/09 05:35 | Andrii Baklykov v Tkachenko, Oleksandr | W | 2-3 |
| TT Cup | 2022/06/08 17:05 | Tkachenko, Oleksandr v Tokar, V. | W | 3-1 |
| TT Cup | 2022/06/08 15:35 | Levshin, Anatoly v Tkachenko, Oleksandr | W | 2-3 |
| TT Cup | 2022/06/08 15:05 | Tkachenko, Oleksandr v Tsybulin, Sergey | W | 3-1 |
| TT Cup | 2022/06/08 13:05 | Tkachenko, Oleksandr v Tokar, V. | W | 3-2 |