| TT Cup Ukraine | 2021/05/02 13:45 | Alexander Tkachenko v David Simonchuk | W | 3-1 |
| TT Cup Ukraine | 2021/05/01 16:40 | David Simonchuk v Alexander Tkachenko | L | 3-0 |
| TT Cup Ukraine | 2021/04/11 12:35 | David Simonchuk v Alexander Tkachenko | W | 2-3 |
| TT Cup Ukraine | 2021/04/10 17:50 | Alexander Tkachenko v David Simonchuk | W | 3-1 |
| TT Cup Ukraine | 2021/04/06 15:55 | David Simonchuk v Alexander Tkachenko | W | 0-3 |
| TT Cup Ukraine | 2021/04/06 14:15 | David Simonchuk v Alexander Tkachenko | W | 2-3 |
| TT Cup Ukraine | 2021/04/05 14:15 | Alexander Tkachenko v David Simonchuk | L | 1-3 |
| TT Cup Ukraine | 2021/03/07 14:45 | Alexander Tkachenko v David Simonchuk | W | 3-2 |
| TT Cup Ukraine | 2021/06/20 19:00 | Alexander Tkachenko v Denys Shcherbak | W | 3-0 |
| TT Cup Ukraine | 2021/06/20 16:05 | Andrii Baklykov v Alexander Tkachenko | L | 3-0 |
| TT Cup Ukraine | 2021/06/20 15:30 | Alexander Tkachenko v Dmitry Dubrovin | W | 3-1 |
| TT Cup Ukraine | 2021/06/20 14:20 | Denys Shcherbak v Alexander Tkachenko | W | 2-3 |
| TT Cup Ukraine | 2021/06/20 13:10 | Alexander Tkachenko v Anatolii Lievshin | W | 3-1 |
| TT Cup Ukraine | 2021/06/19 18:25 | Anatolii Lievshin v Alexander Tkachenko | L | 3-1 |
| TT Cup Ukraine | 2021/06/19 16:05 | Andrii Baklykov v Alexander Tkachenko | L | 3-1 |
| TT Cup Ukraine | 2021/06/19 15:30 | Alexander Tkachenko v Anatolii Lievshin | W | 3-2 |
| TT Cup Ukraine | 2021/08/06 11:35 | David Simonchuk v Dmitriy Vahta | L | 1-3 |
| TT Cup Ukraine | 2021/08/06 10:25 | David Simonchuk v Andrey Kotik | W | 3-0 |
| TT Cup Ukraine | 2021/08/06 09:15 | David Simonchuk v Vadym Nechyporuk | L | 1-3 |
| TT Cup Ukraine | 2021/08/06 08:05 | David Simonchuk v Nazarii Hrytsyienko | W | 3-2 |
| TT Cup Ukraine | 2021/08/06 06:55 | David Simonchuk v Dmitriy Vahta | L | 0-3 |
| TT Cup Ukraine | 2021/08/05 11:25 | David Simonchuk v Anatolii Lievshin | L | 1-3 |
| TT Cup (2021) | 2021/08/05 10:50 | David Simonchuk v Aleksey Gaponov | L | 2-3 |
| TT Cup Ukraine | 2021/08/05 09:40 | Volodymyr Plishylo v David Simonchuk | L | 3-2 |