| TT Cup Ukraine | 2021/07/06 10:25 | Samvel Melkumian v Oleksandr Kostiuk | L | 0-3 |
| TT Cup Ukraine | 2021/06/28 00:45 | Oleksandr Kostiuk v Samvel Melkumian | W | 2-3 |
| TT Cup Ukraine | 2021/06/21 08:05 | Samvel Melkumian v Oleksandr Kostiuk | L | 0-3 |
| TT Cup (2021) | 2021/01/26 21:10 | Samvel Melkumian v Oleksandr Kostiuk | W | 3-1 |
| TT Cup Ukraine | 2021/01/26 18:15 | Oleksandr Kostiuk v Samvel Melkumian | L | 3-0 |
| TT Cup Ukraine | 2021/01/06 11:25 | Samvel Melkumian v Oleksandr Kostiuk | W | 3-2 |
| TT Cup Ukraine | 2020/12/19 16:40 | Samvel Melkumian v Oleksandr Kostiuk | L | 1-3 |
| TT Cup Ukraine | 2020/12/15 22:15 | Samvel Melkumian v Oleksandr Kostiuk | W | 3-2 |
| TT Cup Ukraine | 2021/07/31 00:45 | Samvel Melkumian v Igor Demchuk | L | 1-3 |
| TT Cup Ukraine | 2021/07/30 23:45 | Samvel Melkumian v Roman Pinchuk | L | 2-3 |
| TT Cup Ukraine | 2021/07/30 22:45 | Samvel Melkumian v Viktor Bosak | L | 1-3 |
| TT Cup Ukraine | 2021/07/30 21:45 | Samvel Melkumian v Igor Vatsyn | W | 3-2 |
| TT Cup Ukraine | 2021/07/24 19:05 | Igor Vatsyn v Samvel Melkumian | W | 0-3 |
| TT Cup Ukraine | 2021/07/24 18:00 | Samvel Melkumian v Igor Demchuk | W | 3-1 |
| TT Cup Ukraine | 2021/07/24 16:50 | Samvel Melkumian v Igor Vatsyn | L | 2-3 |
| TT Cup Ukraine | 2021/07/24 15:40 | Samvel Melkumian v Viktor Bosak | L | 2-3 |
| TT Cup Ukraine | 2021/08/03 12:10 | Oleksandr Kostiuk v Andrey Tsikhotskiy | W | 3-1 |
| TT Cup Ukraine | 2021/08/03 10:25 | Volodymyr Tuchkevych v Oleksandr Kostiuk | W | 1-3 |
| TT Cup Ukraine | 2021/08/03 09:50 | Oleksandr Kostiuk v Sergey Gilitukha | W | 3-1 |
| TT Cup Ukraine | 2021/08/03 07:30 | Oleksandr Kostiuk v Mykola Tovkach | L | 0-3 |
| TT Cup Ukraine | 2021/08/03 05:45 | Oleksandr Kostiuk v Andrey Tsikhotskiy | W | 3-2 |
| TT Cup Ukraine | 2021/08/02 12:10 | Oleksandr Kostiuk v Volodymyr Tuchkevych | L | 2-3 |
| TT Cup (2021) | 2021/08/02 11:35 | Oleksandr Kostiuk v Volodymyr Tuchkevych | L | 2-3 |
| TT Cup Ukraine | 2021/08/02 11:00 | Oleksandr Kostiuk v Volodymyr Tuchkevych | W | 3-1 |