| TT Cup | 2021/10/26 09:15 | Kostiuk, Oleksandr v Demchuk, Igor | W | 3-0 |
| TT Cup | 2021/10/26 05:45 | Demchuk, Igor v Kostiuk, Oleksandr | W | 0-3 |
| TT Cup | 2021/06/23 23:45 | Kostiuk, Oleksandr v Demchuk, Igor | L | 2-3 |
| TT Cup | 2021/06/23 20:45 | Demchuk, Igor v Kostiuk, Oleksandr | W | 0-3 |
| TT Cup | 2021/05/25 00:15 | Kostiuk, Oleksandr v Demchuk, Igor | L | 1-3 |