| TT Cup Ukraine | 2021/06/23 20:45 | Igor Demchuk v Oleksandr Kostiuk | W | 0-3 |
| TT Cup Ukraine | 2021/05/25 00:15 | Oleksandr Kostiuk v Igor Demchuk | L | 1-3 |
| TT Cup Ukraine | 2021/06/23 22:45 | Andrey Tsikhotskiy v Oleksandr Kostiuk | L | 3-0 |
| TT Cup Ukraine | 2021/06/23 21:45 | Sergey Gilitukha v Oleksandr Kostiuk | L | 3-0 |
| TT Cup Ukraine | 2021/06/23 20:45 | Igor Demchuk v Oleksandr Kostiuk | W | 0-3 |
| TT Cup Ukraine | 2021/06/22 11:35 | Oleksandr Kostiuk v Volodymyr Tuchkevych | L | 2-3 |
| TT Cup Ukraine | 2021/06/22 11:00 | Bogdan Stasiuk v Oleksandr Kostiuk | L | 3-2 |
| TT Cup Ukraine | 2021/06/22 08:40 | Andrey Tsikhotskiy v Oleksandr Kostiuk | L | 3-1 |
| TT Cup Ukraine | 2021/06/22 06:55 | Sergey Gilitukha v Oleksandr Kostiuk | W | 2-3 |
| TT Cup Ukraine | 2021/06/22 05:45 | Volodymyr Tuchkevych v Oleksandr Kostiuk | W | 2-3 |
| TT Cup Ukraine | 2021/06/23 22:15 | Sergey Gilitukha v Igor Demchuk | L | 3-0 |
| TT Cup Ukraine | 2021/06/23 21:15 | Andrey Tsikhotskiy v Igor Demchuk | L | 3-1 |
| TT Cup Ukraine | 2021/06/23 20:45 | Igor Demchuk v Oleksandr Kostiuk | L | 0-3 |
| TT Cup Ukraine | 2021/06/18 02:45 | Ihor Matsehora v Igor Demchuk | W | 1-3 |
| TT Cup (2021) | 2021/06/18 02:15 | Ihor Matsehora v Igor Demchuk | W | 1-3 |
| TT Cup Ukraine | 2021/06/18 01:15 | Viktor Bosak v Igor Demchuk | L | 3-1 |
| TT Cup Ukraine | 2021/06/17 23:15 | Oleksandr Medvedyev v Igor Demchuk | W | 2-3 |
| TT Cup Ukraine | 2021/06/17 21:45 | Roman Vashchuk v Igor Demchuk | W | 2-3 |