| TT Cup Ukraine | 06/01 15:25 | - | Oleksandr Tkachenko v Serhii Boiko | W | 3-0 | |
| TT Cup Ukraine | 06/01 14:15 | - | Oleksandr Tkachenko v Andriy Chermenskyi | W | 3-2 | |
| TT Cup Ukraine | 06/01 13:35 | - | Oleksandr Tkachenko v Denys Shcherbak | W | 3-1 | |
| TT Cup Ukraine | 05/22 01:10 | - | Oleksandr Tkachenko v Volodymyr Maksiuta | L | 1-3 | |
| TT Cup Ukraine | 05/22 00:10 | - | Oleksandr Tkachenko v Ivan Omelchuk | W | 3-2 | |
| TT Cup Ukraine | 05/21 23:10 | - | Oleksandr Tkachenko v Volodymyr Maksiuta | W | 3-1 | |
| TT Cup Ukraine | 05/21 21:40 | - | Anton Molochko v Oleksandr Tkachenko | L | 3-1 | |
| TT Cup Ukraine | 05/21 20:15 | - | Serhii Boiko v Oleksandr Tkachenko | W | 0-3 | |
| TT Cup Ukraine | 05/20 23:40 | - | Volodymyr Maksiuta v Oleksandr Tkachenko | W | 2-3 | |
| TT Cup Ukraine | 05/20 23:10 | - | Anton Molochko v Oleksandr Tkachenko | L | 3-0 | |
| TT Cup Ukraine | 05/20 21:10 | - | Oleksandr Tkachenko v Serhii Boiko | L | 2-3 | |
| TT Cup Ukraine | 05/20 19:40 | - | Oleksandr Tkachenko v Ivan Omelchuk | L | 2-3 | |
| TT Cup (2020) | 05/15 11:25 | - | Alexander Tkachenko v Anton Molochko | L | 0-3 | |
| TT Cup Ukraine | 05/15 10:15 | - | Oleksandr Tkachenko v Volodymyr Maksiuta | W | 3-0 | |
| TT Cup Ukraine | 05/15 09:05 | - | Ivan Omelchuk v Oleksandr Tkachenko | L | 3-1 | |
| TT Cup Ukraine | 05/15 07:55 | - | Oleksandr Tkachenko v Anton Molochko | W | 3-0 | |
| TT Cup Ukraine | 05/15 06:45 | - | Serhii Boiko v Oleksandr Tkachenko | L | 3-0 | |
| TT Cup (2020) | 05/14 19:00 | - | Alexander Tkachenko v Serhii Boiko | W | 3-1 | |
| TT Cup Ukraine | 05/14 17:50 | - | Serhii Boiko v Alexander Tkachenko | L | 3-1 | |
| TT Cup Ukraine | 05/14 15:30 | - | Alexander Tkachenko v Ivan Omelchuk | W | 3-2 | |
| TT Cup Ukraine | 05/14 13:45 | - | Alexander Tkachenko v Anton Molochko | W | 3-2 | |
| TT Cup Ukraine | 05/14 12:35 | - | Volodymir Maksuta v Alexander Tkachenko | W | 2-3 | |
| TT Cup Ukraine | 03/19 20:00 | - | Alexander Tkachenko v Volodymir Maksuta | W | 3-1 | |
| TT Cup Ukraine | 03/19 18:50 | - | Andrey Lukatsky v Alexander Tkachenko | W | 2-3 | |
| TT Cup Ukraine | 03/19 17:40 | - | Maxim Senchenko v Alexander Tkachenko | W | 1-3 | |
| TT Cup Ukraine | 03/19 16:30 | - | Maxim Senchenko v Alexander Tkachenko | W | 2-3 | |
| TT Cup Ukraine | 03/19 15:55 | - | Andrey Lukatsky v Alexander Tkachenko | W | 0-3 | |
| TT Cup Ukraine | 03/19 13:35 | - | Volodymir Maksuta v Alexander Tkachenko | W | 0-3 | |
| TT Cup Ukraine | 03/18 20:00 | - | Volodymir Maksuta v Alexander Tkachenko | W | 1-3 | |
| TT Cup Ukraine | 03/18 18:50 | - | Maxim Senchenko v Alexander Tkachenko | W | 1-3 |