| TT Cup (2021) | 2021/07/06 16:35 | Alexander Tuzhylin v Andrii Grebeniuk | L | 3-0 |
| TT Cup Ukraine | 2021/07/06 14:50 | Andrii Grebeniuk v Alexander Tuzhylin | L | 1-3 |
| TT Cup Ukraine | 2021/07/05 14:10 | Andrii Grebeniuk v Alexander Tuzhylin | L | 1-3 |
| TT Cup Ukraine | 2021/05/22 11:25 | Andrii Grebeniuk v Alexander Tuzhylin | W | 3-0 |
| TT Cup Ukraine | 2021/05/22 07:55 | Andrii Grebeniuk v Alexander Tuzhylin | W | 3-0 |
| TT Cup Ukraine | 2021/05/20 06:00 | Alexander Tuzhylin v Andrii Grebeniuk | L | 3-1 |
| TT Cup Ukraine | 2021/05/19 10:05 | Andrii Grebeniuk v Alexander Tuzhylin | L | 1-3 |
| TT Cup Ukraine | 2021/05/06 09:30 | Alexander Tuzhylin v Andrii Grebeniuk | W | 2-3 |
| TT Cup Ukraine | 2021/08/28 06:45 | Andrii Grebeniuk v Bohdan Sinkevych | W | 3-1 |
| Czech Open | 2021/08/23 13:00 | Andrii Grebeniuk v Truls Moregard | L | 1-4 |
| Czech Open | 2021/08/22 11:30 | Pedro Osiro v Andrii Grebeniuk | W | 2-3 |
| Czech Open | 2021/08/21 09:50 | Andrii Grebeniuk v Ludovic Gombos | W | 3-0 |
| TT Cup (2021) | 2021/07/06 16:35 | Alexander Tuzhylin v Andrii Grebeniuk | L | 3-0 |
| TT Cup Ukraine | 2021/07/06 15:20 | Ivan Mai v Andrii Grebeniuk | W | 2-3 |
| TT Cup Ukraine | 2021/07/06 14:50 | Andrii Grebeniuk v Alexander Tuzhylin | L | 1-3 |
| TT Cup Ukraine | 2021/07/06 14:15 | Dmytro Yaremchuk v Andrii Grebeniuk | W | 2-3 |
| TT Cup Ukraine | 2021/08/28 06:10 | Vitaliy Lyevshin v Alexander Tuzhylin | L | 3-1 |
| TT Cup Ukraine | 2021/08/26 16:35 | Vitaliy Lyevshin v Alexander Tuzhylin | W | 1-3 |
| TT Cup Ukraine | 2021/08/26 15:55 | Alexander Tuzhylin v Valeriy Melnik | W | 3-0 |
| TT Cup Ukraine | 2021/08/26 15:20 | Alexander Tuzhylin v Bohdan Kohut | W | 3-0 |
| TT Cup Ukraine | 2021/08/26 14:45 | Alexander Tuzhylin v Gennadii Zakladnyi | W | 3-2 |
| TT Cup Ukraine | 2021/08/26 14:10 | Alexander Tuzhylin v Vitaliy Lyevshin | L | 1-3 |
| TT Cup Ukraine | 2021/08/25 16:30 | Alexander Tuzhylin v Bohdan Kohut | W | 3-0 |
| TT Cup Ukraine | 2021/08/25 15:55 | Alexander Tuzhylin v Gennadii Zakladnyi | W | 3-1 |