| TT Star Series | 2021/08/20 11:15 | Patrik Klos v Andriy Sitak | W | 1-3 |
| TT Star Series | 2021/08/20 09:45 | Tomas Konecny v Andriy Sitak | L | 3-0 |
| TT Star Series | 2021/08/20 07:45 | Miroslav Sklensky v Andriy Sitak | L | 3-0 |
| TT Star Series | 2021/08/19 13:15 | Jakub Seibert v Andriy Sitak | W | 1-3 |
| TT Star Series | 2021/08/19 10:45 | Enio Mendes v Andriy Sitak | L | 3-0 |
| TT Star Series | 2021/08/19 09:15 | Oleksandr Tymofieiev v Andriy Sitak | L | 3-1 |
| TT Star Series | 2021/08/19 06:00 | Krystof Prida v Andriy Sitak | W | 0-3 |
| TT Star Series | 2021/08/13 11:15 | Andriy Sitak v Vladimir Anca | W | 3-2 |