| TT Cup | 2021/06/23 23:45 | Kostiuk, Oleksandr v Demchuk, Igor | W | 2-3 |
| TT Cup | 2021/06/23 20:45 | Demchuk, Igor v Kostiuk, Oleksandr | L | 0-3 |
| TT Cup | 2021/05/25 00:15 | Kostiuk, Oleksandr v Demchuk, Igor | W | 1-3 |
| TT Cup | 2021/10/23 19:10 | Demchuk, Igor v Vatsin, Igor | W | 3-0 |
| TT Cup | 2021/10/23 18:00 | Demchuk, Igor v Roman Vashchuk | L | 0-3 |
| TT Cup | 2021/10/23 16:50 | Demchuk, Igor v Bosak, Viktor | W | 3-1 |
| TT Cup | 2021/10/23 15:40 | Demchuk, Igor v Tuchkevych, Volodymyr | L | 2-3 |
| TT Cup | 2021/10/23 14:30 | Demchuk, Igor v Vatsin, Igor | W | 3-2 |
| TT Cup | 2021/10/19 11:35 | Vatsin, Igor v Demchuk, Igor | L | 3-2 |
| TT Cup | 2021/10/19 11:00 | Demchuk, Igor v Roman Vashchuk | L | 0-3 |
| TT Cup | 2021/10/19 09:50 | Tuchkevych, Volodymyr v Demchuk, Igor | L | 3-2 |
| TT Cup | 2021/10/25 11:35 | Tuchkevych, Volodymyr v Kostiuk, Oleksandr | L | 3-1 |
| TT Cup | 2021/10/25 10:25 | Melkumyan, Samvel v Kostiuk, Oleksandr | W | 2-3 |
| TT Cup | 2021/10/25 09:15 | Roman Vashchuk v Kostiuk, Oleksandr | L | 3-1 |
| TT Cup | 2021/10/25 07:30 | Tuchkevych, Volodymyr v Kostiuk, Oleksandr | W | 1-3 |
| TT Cup | 2021/10/25 06:20 | Melkumyan, Samvel v Kostiuk, Oleksandr | L | 3-1 |
| TT Cup | 2021/10/25 05:45 | Kostiuk, Oleksandr v Roman Vashchuk | W | 3-2 |
| TT Cup | 2021/10/12 11:00 | Tsykhotskiy, Andrey v Kostiuk, Oleksandr | L | 3-1 |
| TT Cup | 2021/10/12 09:50 | Kaptanovsky, Andrey v Kostiuk, Oleksandr | W | 1-3 |