| TT Cup Ukraine | 2021/02/23 06:45 | Oleksandr Kostiuk v Illya Semeniuk | L | 0-3 |
| TT Cup Ukraine | 2021/02/22 07:55 | Illya Semeniuk v Oleksandr Kostiuk | L | 3-2 |
| TT Cup Ukraine | 2021/01/30 16:05 | Oleksandr Kostiuk v Illya Semeniuk | L | 0-3 |
| TT Cup Ukraine | 2020/11/04 16:05 | Illya Semeniuk v Oleksandr Kostiuk | L | 3-0 |
| TT Cup Ukraine | 2020/11/03 09:05 | Illya Semeniuk v Oleksandr Kostiuk | L | 3-1 |
| TT Cup Ukraine | 2020/10/15 22:45 | Illya Semeniuk v Oleksandr Kostiuk | L | 3-1 |
| TT Cup Ukraine | 2020/10/13 01:15 | Oleksandr Kostiuk v Illya Semeniuk | W | 3-0 |
| TT Cup Ukraine | 2020/09/06 19:10 | Illya Semeniuk v Oleksandr Kostiuk | L | 3-0 |
| TT Cup Ukraine | 2021/05/10 19:45 | Sergey Gilitukha v Oleksandr Kostiuk | L | 3-1 |
| TT Cup Ukraine | 2021/05/10 18:35 | Andrey Tsikhotskiy v Oleksandr Kostiuk | L | 3-2 |
| TT Cup Ukraine | 2021/05/10 16:15 | Bogdan Stasiuk v Oleksandr Kostiuk | W | 2-3 |
| TT Cup Ukraine | 2021/05/10 14:30 | Mykola Tovkach v Oleksandr Kostiuk | W | 1-3 |
| TT Cup Ukraine | 2021/05/10 13:20 | Sergey Gilitukha v Oleksandr Kostiuk | L | 3-1 |
| TT Cup Ukraine | 2021/04/27 18:00 | Andrey Tsikhotskiy v Oleksandr Kostiuk | L | 3-1 |
| TT Cup Ukraine | 2021/04/27 17:25 | Oleksandr Kostiuk v Vitaliy Pinchuk | L | 0-3 |
| TT Cup Ukraine | 2021/04/27 15:05 | Oleksandr Kostiuk v Aleksandr Kuharchuk | L | 2-3 |
| TT Cup Ukraine | 2021/05/11 19:10 | Roman Rybachuk v Illya Semeniuk | W | 2-3 |
| TT Cup Ukraine | 2021/05/11 18:00 | Ruslan Novak v Illya Semeniuk | W | 1-3 |
| TT Cup Ukraine | 2021/05/11 17:25 | Illya Semeniuk v Serhii Berezynskyi | L | 2-3 |
| TT Cup Ukraine | 2021/05/11 15:05 | Illya Semeniuk v Sergii Lugovskyi | L | 2-3 |
| TT Cup Ukraine | 2021/05/11 13:20 | Illya Semeniuk v Roman Rybachuk | L | 0-3 |
| TT Cup Ukraine | 2021/05/01 12:45 | Illya Semeniuk v Mykola Tovkach | L | 2-3 |
| TT Cup (2021) | 2021/05/01 12:10 | Illya Semeniuk v Mykola Tovkach | L | 2-3 |
| TT Cup Ukraine | 2021/05/01 11:00 | Illya Semeniuk v Sergey Gilitukha | W | 3-0 |