| Ukrán TT-Cup | 2021/03/07 17:05 | Alexander Tkachenko v Nazar Kovalchuk | L | 3-1 |
| Ukrán TT-Cup | 2021/03/06 17:05 | Alexander Tkachenko v Nazar Kovalchuk | W | 1-3 |
| TT Cup | 2020/11/12 12:25 | Alexander Tkachenko v Nazar Kovalchuk | W | 1-3 |
| Ukrán TT-Cup | 2020/11/12 11:50 | Alexander Tkachenko v Nazar Kovalchuk | L | 3-0 |
| Ukrán TT-Cup | 2020/11/11 08:20 | Nazar Kovalchuk v Alexander Tkachenko | L | 1-3 |
| Ukrán TT-Cup | 2020/07/30 10:50 | Alexander Tkachenko v Nazar Kovalchuk | W | 0-3 |
| Ukrán TT-Cup | 2020/07/29 10:15 | Alexander Tkachenko v Nazar Kovalchuk | L | 3-1 |
| Ukrán TT-Cup | 2020/06/30 16:30 | Alexander Tkachenko v Nazar Kovalchuk | W | 1-3 |
| Ukrán TT-Cup | 2021/12/22 10:40 | Anatolii Lievshin v Nazar Kovalchuk | L | 3-2 |
| Ukrán TT-Cup | 2021/12/22 08:55 | Andrii Baklykov v Nazar Kovalchuk | L | 3-0 |
| Ukrán TT-Cup | 2021/12/22 07:10 | Volodymir Maksuta v Nazar Kovalchuk | L | 3-1 |
| Ukrán TT-Cup | 2021/12/19 13:15 | Nazar Kovalchuk v Volodymyr Plishylo | W | 3-2 |
| Ukrán TT-Cup | 2021/12/19 12:05 | Anton Molochko v Nazar Kovalchuk | W | 0-3 |
| Ukrán TT-Cup | 2021/12/19 09:45 | Volodymyr Plishylo v Nazar Kovalchuk | W | 1-3 |
| Ukrán TT-Cup | 2021/12/19 08:00 | David Simonchuk v Nazar Kovalchuk | W | 2-3 |
| Ukrán TT-Cup | 2021/12/19 06:50 | Andrii Baklykov v Nazar Kovalchuk | W | 2-3 |
| Ukrán TT-Cup | 2021/12/22 09:30 | Volodymir Maksuta v Alexander Tkachenko | L | 3-2 |
| Ukrán TT-Cup | 2021/12/22 07:45 | Andrii Baklykov v Alexander Tkachenko | W | 2-3 |
| Ukrán TT-Cup | 2021/12/22 06:35 | Anatolii Lievshin v Alexander Tkachenko | L | 3-2 |
| Ukrán TT-Cup | 2021/12/16 13:00 | Alexander Tkachenko v Anatolii Lievshin | L | 2-3 |
| Ukrán TT-Cup | 2021/12/16 11:50 | Alexander Tkachenko v Yuryi Shchepanskyi | W | 3-2 |
| Ukrán TT-Cup | 2021/12/16 11:15 | Alexander Tkachenko v Volodymir Maksuta | W | 3-1 |
| Ukrán TT-Cup | 2021/12/16 09:30 | Alexander Tkachenko v Anatolii Lievshin | L | 1-3 |
| Ukrán TT-Cup | 2021/12/16 08:20 | Alexander Tkachenko v Volodymir Maksuta | L | 1-3 |