| TT Cup Ukraine | 2021/09/09 00:45 | Oleksandr Kostiuk v Igor Vatsyn | L | 2-3 |
| TT Cup Ukraine | 2021/09/08 21:15 | Oleksandr Kostiuk v Igor Vatsyn | W | 3-0 |
| TT Cup Ukraine | 2021/09/07 05:45 | Oleksandr Kostiuk v Igor Vatsyn | W | 3-0 |
| 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 | 2021/11/01 10:50 | Andrey Kaptanovsky v Oleksandr Kostiuk | L | 3-1 |
| TT Cup Ukraine | 2021/11/01 09:05 | Vitalii Klimov v Oleksandr Kostiuk | L | 3-0 |
| TT Cup Ukraine | 2021/11/01 07:20 | Samvel Melkumian v Oleksandr Kostiuk | W | 2-3 |
| TT Cup Ukraine | 2021/10/27 12:10 | Volodymyr Tuchkevych v Oleksandr Kostiuk | W | 0-3 |
| TT Cup Ukraine | 2021/10/27 09:15 | Samvel Melkumian v Oleksandr Kostiuk | W | 2-3 |
| TT Cup Ukraine | 2021/10/27 08:40 | Oleksandr Kostiuk v Roman Vashchuk | W | 3-1 |
| TT Cup Ukraine | 2021/10/27 07:30 | Volodymyr Tuchkevych v Oleksandr Kostiuk | L | 3-0 |
| TT Cup Ukraine | 2021/10/27 06:20 | Oleksandr Kostiuk v Igor Demchuk | W | 3-0 |
| TT Cup Ukraine | 2021/11/01 09:40 | Samvel Melkumian v Igor Vatsyn | L | 3-1 |
| TT Cup Ukraine | 2021/11/01 07:55 | Vitalii Klimov v Igor Vatsyn | L | 3-0 |
| TT Cup Ukraine | 2021/11/01 06:45 | Andrey Kaptanovsky v Igor Vatsyn | L | 3-0 |
| TT Cup Ukraine | 2021/10/23 19:10 | Igor Demchuk v Igor Vatsyn | L | 3-0 |
| TT Cup Ukraine | 2021/10/23 18:35 | Volodymyr Tuchkevych v Igor Vatsyn | L | 3-0 |
| TT Cup Ukraine | 2021/10/23 16:15 | Viktor Bosak v Igor Vatsyn | W | 0-3 |
| TT Cup Ukraine | 2021/10/23 14:30 | Igor Demchuk v Igor Vatsyn | L | 3-2 |
| TT Cup Ukraine | 2021/10/23 13:20 | Roman Vashchuk v Igor Vatsyn | L | 3-1 |