| TT Cup Ukraine | 2021/07/16 00:15 | Oleksandr Kostiuk v Igor Vatsyn | W | 3-1 |
| TT Cup Ukraine | 2021/07/12 06:20 | Igor Vatsyn v Oleksandr Kostiuk | W | 0-3 |
| TT Cup Ukraine | 2021/06/02 08:40 | Oleksandr Kostiuk v Igor Vatsyn | W | 3-2 |
| TT Cup Ukraine | 2021/05/24 20:45 | Oleksandr Kostiuk v Igor Vatsyn | W | 3-1 |
| TT Cup Ukraine | 2021/03/02 11:25 | Igor Vatsyn v Oleksandr Kostiuk | W | 2-3 |
| TT Cup Ukraine | 2021/01/17 12:00 | Igor Vatsyn v Oleksandr Kostiuk | W | 0-3 |
| TT Cup Ukraine | 2021/01/03 16:05 | Igor Vatsyn v Oleksandr Kostiuk | L | 3-0 |
| TT Cup Ukraine | 2020/10/24 19:49 | Igor Vatsyn v Oleksandr Kostiuk | W | 1-3 |
| TT Cup Ukraine | 2021/08/22 11:35 | Mykola Tovkach v Oleksandr Kostiuk | W | 1-3 |
| TT Cup Ukraine | 2021/08/22 11:00 | Oleksandr Kostiuk v Volodymyr Tuchkevych | W | 3-0 |
| TT Cup Ukraine | 2021/08/22 09:50 | Andrey Tsikhotskiy v Oleksandr Kostiuk | L | 3-1 |
| TT Cup Ukraine | 2021/08/22 08:05 | Mykola Tovkach v Oleksandr Kostiuk | L | 3-2 |
| TT Cup Ukraine | 2021/08/22 06:20 | Illya Semeniuk v Oleksandr Kostiuk | L | 3-0 |
| TT Cup Ukraine | 2021/08/17 12:10 | Oleksandr Kostiuk v Roman Pinchuk | W | 3-1 |
| TT Cup Ukraine | 2021/08/17 11:00 | Roman Pinchuk v Oleksandr Kostiuk | W | 2-3 |
| TT Cup Ukraine | 2021/08/17 08:40 | Bogdan Stasiuk v Oleksandr Kostiuk | W | 1-3 |
| TT Cup Ukraine | 2021/08/24 13:20 | Volodymyr Tuchkevych v Igor Vatsyn | L | 3-0 |
| TT Cup Ukraine | 2021/08/21 01:15 | Samvel Melkumian v Igor Vatsyn | L | 3-2 |
| TT Cup Ukraine | 2021/08/20 23:15 | Volodymyr Tuchkevych v Igor Vatsyn | L | 3-1 |
| TT Cup Ukraine | 2021/08/20 21:45 | Roman Vashchuk v Igor Vatsyn | L | 3-1 |
| TT Cup Ukraine | 2021/08/20 20:45 | Igor Demchuk v Igor Vatsyn | L | 3-0 |
| TT Cup Ukraine | 2021/08/19 18:00 | Samvel Melkumian v Igor Vatsyn | W | 1-3 |
| TT Cup Ukraine | 2021/08/19 15:40 | Igor Vatsyn v Igor Demchuk | W | 3-0 |
| TT Cup Ukraine | 2021/08/19 15:05 | Samvel Melkumian v Igor Vatsyn | L | 3-1 |