| TT Cup | 2021/05/10 19:45 | Gilitukha, S. v Kostiuk, Oleksandr | L | 3-1 |
| TT Cup | 2021/05/10 13:20 | Gilitukha, S. v Kostiuk, Oleksandr | L | 3-1 |
| TT Cup | 2021/04/20 09:50 | Kostiuk, Oleksandr v Gilitukha, S. | L | 1-3 |
| TT Cup | 2021/04/12 06:20 | Gilitukha, S. v Kostiuk, Oleksandr | L | 3-1 |
| TT Cup | 2021/04/03 15:05 | Gilitukha, S. v Kostiuk, Oleksandr | L | 3-2 |
| TT Cup | 2021/04/01 23:15 | Gilitukha, S. v Kostiuk, Oleksandr | L | 3-2 |
| TT Cup | 2021/03/16 12:00 | Kostiuk, Oleksandr v Gilitukha, S. | L | 1-3 |
| TT Cup | 2021/03/15 12:00 | Kostiuk, Oleksandr v Gilitukha, S. | W | 3-0 |
| TT Cup | 2021/05/12 22:15 | Kostiuk, Oleksandr v Tovkach, Mykola | L | 1-3 |
| TT Cup | 2021/05/12 20:45 | Kostiuk, Oleksandr v Semeniuk, Illya | L | 1-3 |
| TT Cup | 2021/05/10 19:45 | Gilitukha, S. v Kostiuk, Oleksandr | L | 3-1 |
| TT Cup | 2021/05/10 18:35 | Tsykhotskiy, Andrey v Kostiuk, Oleksandr | L | 3-2 |
| TT Cup | 2021/05/10 16:15 | Bogdan Stasiuk v Kostiuk, Oleksandr | W | 2-3 |
| TT Cup | 2021/05/10 14:30 | Tovkach, Mykola v Kostiuk, Oleksandr | W | 1-3 |
| TT Cup | 2021/05/10 13:20 | Gilitukha, S. v Kostiuk, Oleksandr | L | 3-1 |
| TT Cup | 2021/04/27 18:00 | Tsykhotskiy, Andrey v Kostiuk, Oleksandr | L | 3-1 |
| TT Cup | 2021/05/12 22:45 | Tsykhotskiy, Andrey v Gilitukha, S. | L | 3-0 |
| TT Cup | 2021/05/12 21:15 | Tovkach, Mykola v Gilitukha, S. | L | 3-0 |
| TT Cup | 2021/05/10 19:45 | Gilitukha, S. v Kostiuk, Oleksandr | W | 3-1 |
| TT Cup | 2021/05/10 18:00 | Tovkach, Mykola v Gilitukha, S. | W | 1-3 |
| TT Cup | 2021/05/10 17:25 | Gilitukha, S. v Tsykhotskiy, Andrey | L | 2-3 |
| TT Cup | 2021/05/10 15:05 | Gilitukha, S. v Bogdan Stasiuk | W | 3-1 |
| TT Cup | 2021/05/10 13:20 | Gilitukha, S. v Kostiuk, Oleksandr | W | 3-1 |
| TT Cup | 2021/05/04 18:25 | Gilitukha, S. v Gergelyuk, Sergei | W | 3-0 |