| TT Cup | 2021/01/30 16:05 | Kostiuk, Oleksandr v Semeniuk, Illya | W | 0-3 |
| TT Cup | 2020/11/04 16:05 | Semeniuk, Illya v Kostiuk, Oleksandr | W | 3-0 |
| TT Cup | 2020/11/03 09:05 | Semeniuk, Illya v Kostiuk, Oleksandr | W | 3-1 |
| TT Cup | 2020/10/15 22:45 | Semeniuk, Illya v Kostiuk, Oleksandr | W | 3-1 |
| TT Cup | 2020/10/13 01:15 | Kostiuk, Oleksandr v Semeniuk, Illya | L | 3-0 |
| TT Cup | 2020/09/06 19:10 | Semeniuk, Illya v Kostiuk, Oleksandr | W | 3-0 |
| TT Cup | 2020/09/06 13:55 | Kostiuk, Oleksandr v Semeniuk, Illya | L | 3-2 |
| TT Cup | 2020/08/29 18:05 | Kostiuk, Oleksandr v Semeniuk, Illya | W | 1-3 |
| TT Cup | 2021/02/20 20:15 | Semeniuk, Illya v Sidorak, Nazariy | W | 3-1 |
| TT Cup | 2021/02/20 18:30 | Piskorskyu, Igor v Semeniuk, Illya | W | 1-3 |
| TT Cup | 2021/02/20 17:55 | Semeniuk, Illya v Maksym Mykytiuk | W | 3-1 |
| TT Cup | 2021/02/20 15:35 | Semeniuk, Illya v Sidorak, Nazariy | W | 3-2 |
| TT Cup | 2021/02/20 13:50 | Semeniuk, Illya v Ivasiv, Volodymyr | W | 3-2 |
| TT Cup | 2021/02/19 18:30 | Zharskiy, Vitaliy v Semeniuk, Illya | L | 3-2 |
| TT Cup | 2021/02/19 17:55 | Semeniuk, Illya v Tymchyshyn, Ivan | L | 2-3 |
| TT Cup | 2021/02/19 15:35 | Semeniuk, Illya v Petryshyn, Igor | W | 3-1 |
| TT Cup | 2021/02/22 06:45 | Tuchkevych, Volodymyr v Kostiuk, Oleksandr | L | 3-1 |
| TT Cup | 2021/02/16 12:00 | Gilitukha, S. v Kostiuk, Oleksandr | L | 3-2 |
| TT Cup | 2021/02/16 09:40 | Tsykhotskiy, Andrey v Kostiuk, Oleksandr | L | 3-1 |
| TT Cup | 2021/02/16 07:55 | Vitaliy Pinchuk v Kostiuk, Oleksandr | L | 3-1 |
| TT Cup | 2021/02/16 06:45 | Kuharchuk, Aleksandr v Kostiuk, Oleksandr | W | 1-3 |
| TT Cup | 2021/02/12 02:45 | Kostiuk, Oleksandr v Gilitukha, S. | W | 3-1 |
| TT Cup | 2021/02/12 01:45 | Tsykhotskiy, Andrey v Kostiuk, Oleksandr | L | 3-1 |
| TT Cup | 2021/02/12 01:15 | Kostiuk, Oleksandr v Kuharchuk, Aleksandr | L | 2-3 |