| TT Cup Ukraine | 2021/04/11 12:35 | David Simonchuk v Alexander Tkachenko | L | 2-3 |
| TT Cup Ukraine | 2021/04/10 17:50 | Alexander Tkachenko v David Simonchuk | L | 3-1 |
| TT Cup Ukraine | 2021/04/06 15:55 | David Simonchuk v Alexander Tkachenko | L | 0-3 |
| TT Cup Ukraine | 2021/04/06 14:15 | David Simonchuk v Alexander Tkachenko | L | 2-3 |
| TT Cup Ukraine | 2021/04/05 14:15 | Alexander Tkachenko v David Simonchuk | W | 1-3 |
| TT Cup Ukraine | 2021/03/07 14:45 | Alexander Tkachenko v David Simonchuk | L | 3-2 |
| TT Cup Ukraine | 2021/03/06 18:15 | Alexander Tkachenko v David Simonchuk | L | 3-2 |
| TT Cup Ukraine | 2021/02/28 20:15 | David Simonchuk v Alexander Tkachenko | W | 3-1 |
| TT Cup Ukraine | 2021/05/01 14:20 | David Simonchuk v Vladislav Kalugin | W | 3-2 |
| TT Cup Ukraine | 2021/05/01 12:35 | David Simonchuk v Vitali Rychkou | L | 2-3 |
| TT Cup Ukraine | 2021/04/27 09:15 | Andrey Kotik v David Simonchuk | W | 2-3 |
| TT Cup Ukraine | 2021/04/27 08:40 | David Simonchuk v Vadym Nechyporuk | L | 1-3 |
| TT Cup Ukraine | 2021/04/27 07:30 | Andrii Baklykov v David Simonchuk | L | 3-0 |
| TT Cup Ukraine | 2021/04/27 06:20 | David Simonchuk v Dmitriy Vahta | L | 2-3 |
| TT Cup Ukraine | 2021/04/26 19:10 | Andrii Baklykov v David Simonchuk | L | 3-0 |
| TT Cup Ukraine | 2021/04/26 18:00 | Dmitriy Vahta v David Simonchuk | L | 3-1 |
| TT Cup Ukraine | 2021/05/01 14:55 | Anatolii Lievshin v Alexander Tkachenko | L | 3-2 |
| TT Cup Ukraine | 2021/05/01 13:10 | Vladislav Kalugin v Alexander Tkachenko | W | 1-3 |
| TT Cup Ukraine | 2021/04/22 10:50 | Alexander Tkachenko v Yuryi Shchepanskyi | L | 1-3 |
| TT Cup Ukraine | 2021/04/22 09:40 | Oleksandr Belskyi v Alexander Tkachenko | L | 3-1 |
| TT Cup Ukraine | 2021/04/22 07:55 | Dmytro Drobov v Alexander Tkachenko | L | 3-1 |
| TT Cup (2021) | 2021/04/22 06:10 | Aleksey Gaponov v Alexander Tkachenko | L | 3-1 |
| TT Cup Ukraine | 2021/04/18 18:25 | Anatolii Lievshin v Alexander Tkachenko | L | 3-2 |
| TT Cup Ukraine | 2021/04/18 17:50 | Vital Shaban v Alexander Tkachenko | L | 3-1 |