| TT Cup Ukraine | 2021/07/10 11:00 | Roman Vashchuk v Oleksandr Kostiuk | W | 2-3 |
| TT Cup Ukraine | 2021/07/09 00:15 | Roman Vashchuk v Oleksandr Kostiuk | W | 1-3 |
| TT Cup Ukraine | 2021/07/06 05:45 | Oleksandr Kostiuk v Roman Vashchuk | W | 3-0 |
| TT Cup Ukraine | 2021/06/29 23:45 | Roman Vashchuk v Oleksandr Kostiuk | W | 1-3 |
| TT Cup Ukraine | 2021/06/28 01:45 | Roman Vashchuk v Oleksandr Kostiuk | W | 0-3 |
| TT Cup Ukraine | 2021/06/27 22:45 | Oleksandr Kostiuk v Roman Vashchuk | L | 1-3 |
| TT Cup Ukraine | 2021/06/16 12:10 | Roman Vashchuk v Oleksandr Kostiuk | W | 0-3 |
| TT Cup Ukraine | 2021/06/16 08:40 | Oleksandr Kostiuk v Roman Vashchuk | W | 3-0 |
| TT Cup Ukraine | 2021/10/12 11:00 | Andrey Tsikhotskiy v Oleksandr Kostiuk | L | 3-1 |
| TT Cup Ukraine | 2021/10/12 09:50 | Andrey Kaptanovsky v Oleksandr Kostiuk | W | 1-3 |
| TT Cup Ukraine | 2021/10/12 09:15 | Oleksandr Kostiuk v Vitalii Klimov | L | 1-3 |
| TT Cup Ukraine | 2021/10/12 08:05 | Andrey Tsikhotskiy v Oleksandr Kostiuk | W | 1-3 |
| TT Cup Ukraine | 2021/10/12 06:55 | Andrey Kaptanovsky v Oleksandr Kostiuk | W | 0-3 |
| TT Cup Ukraine | 2021/10/12 05:45 | Vitalii Klimov v Oleksandr Kostiuk | W | 1-3 |
| TT Cup Ukraine | 2021/10/11 19:10 | Vitalii Klimov v Oleksandr Kostiuk | L | 3-2 |
| TT Cup Ukraine | 2021/10/11 18:00 | Andrey Kaptanovsky v Oleksandr Kostiuk | W | 0-3 |
| TT Cup Ukraine | 2021/10/23 19:45 | Roman Vashchuk v Volodymyr Tuchkevych | L | 1-3 |
| TT Cup Ukraine | 2021/10/23 18:00 | Igor Demchuk v Roman Vashchuk | W | 0-3 |
| TT Cup Ukraine | 2021/10/23 17:25 | Roman Vashchuk v Volodymyr Tuchkevych | W | 3-2 |
| TT Cup Ukraine | 2021/10/23 15:05 | Roman Vashchuk v Viktor Bosak | W | 3-1 |
| TT Cup Ukraine | 2021/10/23 13:20 | Roman Vashchuk v Igor Vatsyn | W | 3-1 |
| TT Cup Ukraine | 2021/10/19 12:10 | Roman Vashchuk v Volodymyr Tuchkevych | L | 1-3 |
| TT Cup Ukraine | 2021/10/19 11:00 | Igor Demchuk v Roman Vashchuk | W | 0-3 |
| TT Cup Ukraine | 2021/10/19 08:40 | Viktor Bosak v Roman Vashchuk | W | 1-3 |