| 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 | 2020/10/24 16:50 | Igor Vatsyn v Oleksandr Kostiuk | L | 3-1 |
| TT Cup Ukraine | 2020/04/26 05:40 | Oleksandr Kostiuk v Igor Vatsyn | W | 3-0 |
| TT Cup Ukraine | 2021/07/02 19:10 | Bogdan Stasiuk v Oleksandr Kostiuk | W | 1-3 |
| TT Cup Ukraine | 2021/07/02 18:35 | Oleksandr Kostiuk v Bogdan Stasiuk | L | 1-3 |
| TT Cup Ukraine | 2021/07/02 17:25 | Andrey Kaptanovsky v Oleksandr Kostiuk | L | 3-0 |
| TT Cup Ukraine | 2021/07/02 15:40 | Illya Semeniuk v Oleksandr Kostiuk | L | 3-1 |
| TT Cup Ukraine | 2021/07/02 13:55 | Andrey Tsikhotskiy v Oleksandr Kostiuk | W | 1-3 |
| TT Cup Ukraine | 2021/06/30 02:15 | Bogdan Stasiuk v Oleksandr Kostiuk | W | 2-3 |
| TT Cup Ukraine | 2021/06/29 23:45 | Roman Vashchuk v Oleksandr Kostiuk | W | 1-3 |
| TT Cup Ukraine | 2021/06/29 23:15 | Oleksandr Kostiuk v Volodymyr Tuchkevych | W | 3-1 |
| TT Cup Ukraine | 2021/07/01 11:35 | Ihor Matsehora v Igor Vatsyn | W | 2-3 |
| TT Cup Ukraine | 2021/07/01 10:25 | Igor Vatsyn v Ihor Matsehora | W | 3-1 |
| TT Cup Ukraine | 2021/07/01 09:15 | Igor Vatsyn v Volodymyr Tuchkevych | L | 0-3 |
| TT Cup Ukraine | 2021/07/01 08:05 | Igor Vatsyn v Igor Demchuk | L | 2-3 |
| TT Cup Ukraine | 2021/07/01 06:55 | Igor Vatsyn v Viktor Bosak | L | 2-3 |
| TT Cup Ukraine | 2021/06/29 02:15 | Igor Demchuk v Igor Vatsyn | W | 1-3 |
| TT Cup Ukraine | 2021/06/29 00:45 | Ihor Matsehora v Igor Vatsyn | W | 0-3 |
| TT Cup Ukraine | 2021/06/29 00:15 | Igor Vatsyn v Oleksandr Medvedyev | W | 3-1 |