| TT Cup Ukraine | 2021/10/05 18:00 | Samvel Melkumian v Oleksandr Kostiuk | W | 3-0 |
| TT Cup Ukraine | 2021/10/05 13:55 | Samvel Melkumian v Oleksandr Kostiuk | W | 3-2 |
| TT Cup Ukraine | 2021/10/04 12:10 | Oleksandr Kostiuk v Samvel Melkumian | W | 1-3 |
| TT Cup Ukraine | 2021/10/04 08:40 | Samvel Melkumian v Oleksandr Kostiuk | W | 3-1 |
| TT Cup Ukraine | 2021/09/28 06:20 | Oleksandr Kostiuk v Samvel Melkumian | L | 3-2 |
| TT Cup Ukraine | 2021/09/27 11:35 | Samvel Melkumian v Oleksandr Kostiuk | L | 2-3 |
| TT Cup Ukraine | 2021/09/27 07:30 | Samvel Melkumian v Oleksandr Kostiuk | W | 3-2 |
| TT Cup Ukraine | 2021/09/23 00:45 | Samvel Melkumian v Oleksandr Kostiuk | W | 3-0 |
| TT Cup Ukraine | 2021/09/22 21:15 | Samvel Melkumian v Oleksandr Kostiuk | W | 3-2 |
| TT Cup Ukraine | 2021/09/21 10:25 | Samvel Melkumian v Oleksandr Kostiuk | L | 0-3 |
| TT Cup Ukraine | 2021/09/21 06:20 | Samvel Melkumian v Oleksandr Kostiuk | W | 3-2 |
| TT Cup Ukraine | 2021/09/20 12:10 | Oleksandr Kostiuk v Samvel Melkumian | L | 3-0 |
| TT Cup Ukraine | 2021/09/20 08:40 | Samvel Melkumian v Oleksandr Kostiuk | W | 3-2 |
| TT Cup Ukraine | 2021/09/17 00:45 | Oleksandr Kostiuk v Samvel Melkumian | W | 1-3 |
| TT Cup Ukraine | 2021/09/16 21:15 | Oleksandr Kostiuk v Samvel Melkumian | W | 1-3 |
| TT Cup Ukraine | 2021/09/14 10:25 | Samvel Melkumian v Oleksandr Kostiuk | L | 2-3 |
| TT Cup Ukraine | 2021/09/14 06:20 | Samvel Melkumian v Oleksandr Kostiuk | W | 3-1 |
| TT Cup Ukraine | 2021/09/13 12:10 | Oleksandr Kostiuk v Samvel Melkumian | L | 3-0 |
| TT Cup Ukraine | 2021/09/13 08:40 | Samvel Melkumian v Oleksandr Kostiuk | L | 2-3 |
| TT Cup Ukraine | 2021/09/09 01:15 | Oleksandr Kostiuk v Samvel Melkumian | L | 3-0 |
| TT Cup Ukraine | 2021/09/08 22:45 | Oleksandr Kostiuk v Samvel Melkumian | W | 1-3 |
| TT Cup Ukraine | 2021/09/07 09:50 | Oleksandr Kostiuk v Samvel Melkumian | L | 3-2 |
| TT Cup Ukraine | 2021/09/06 08:05 | Samvel Melkumian v Oleksandr Kostiuk | W | 3-1 |
| TT Cup Ukraine | 2021/08/25 09:15 | Samvel Melkumian v Oleksandr Kostiuk | L | 2-3 |
| 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 |