| Ucrânia - TT Cup | 2021/06/20 19:00 | Alexander Tkachenko v Denys Shcherbak | W | 3-0 |
| Ucrânia - TT Cup | 2021/06/20 14:20 | Denys Shcherbak v Alexander Tkachenko | W | 2-3 |
| Ucrânia - TT Cup | 2021/06/19 14:20 | Denys Shcherbak v Alexander Tkachenko | L | 3-0 |
| Ucrânia - TT Cup | 2021/06/13 12:35 | Alexander Tkachenko v Denys Shcherbak | W | 3-2 |
| Ucrânia - TT Cup | 2021/06/12 16:40 | Alexander Tkachenko v Denys Shcherbak | L | 0-3 |
| Ucrânia - TT Cup | 2021/01/03 20:00 | Alexander Tkachenko v Denys Shcherbak | W | 3-0 |
| Ucrânia - TT Cup | 2021/01/03 14:10 | Denys Shcherbak v Alexander Tkachenko | W | 1-3 |
| Ucrânia - TT Cup | 2020/11/18 18:05 | Alexander Tkachenko v Denys Shcherbak | L | 2-3 |
| Ucrânia - TT Cup | 2021/09/18 14:20 | David Simonchuk v Alexander Tkachenko | W | 0-3 |
| Ucrânia - TT Cup | 2021/09/18 13:10 | Alexander Tkachenko v Andrii Baklykov | W | 3-2 |
| Ucrânia - TT Cup | 2021/09/12 19:00 | Alexander Tkachenko v Vladislav Kalugin | W | 3-1 |
| Ucrânia - TT Cup | 2021/09/12 17:50 | Anatolii Lievshin v Alexander Tkachenko | W | 1-3 |
| Ucrânia - TT Cup | 2021/09/12 15:30 | David Simonchuk v Alexander Tkachenko | W | 1-3 |
| Ucrânia - TT Cup | 2021/09/12 13:45 | Vladislav Kalugin v Alexander Tkachenko | W | 1-3 |
| Ucrânia - TT Cup | 2021/09/12 12:35 | Yuryi Shchepanskyi v Alexander Tkachenko | L | 3-2 |
| Ucrânia - TT Cup | 2021/09/11 18:25 | Anatolii Lievshin v Alexander Tkachenko | W | 2-3 |
| Ucrânia - TT Cup | 2021/09/18 13:45 | Anatolii Lievshin v Denys Shcherbak | W | 0-3 |
| Ucrânia - TT Cup | 2021/09/18 12:35 | David Simonchuk v Denys Shcherbak | W | 0-3 |
| Ucrânia - TT Cup | 2021/09/16 13:00 | Andrii Baklykov v Denys Shcherbak | L | 3-0 |
| Ucrânia - TT Cup | 2021/09/16 11:15 | Denys Shcherbak v Aleksey Krutko | W | 3-1 |
| Ucrânia - TT Cup | 2021/09/16 08:55 | Serhii Tsybulin v Denys Shcherbak | W | 2-3 |
| Ucrânia - TT Cup | 2021/09/16 06:35 | Roman Cherevko v Denys Shcherbak | W | 0-3 |
| Ucrânia - TT Cup | 2021/09/16 05:25 | Yevhen Masko v Denys Shcherbak | W | 1-3 |
| Ucrânia - TT Cup | 2021/09/15 11:50 | Denys Shcherbak v Aleksey Krutko | L | 0-3 |