| TT Star Series | 2020/11/21 12:45 | Andriy Sitak v Patrik Klos | L | 3-2 |
| TT Star Series | 2020/11/14 13:45 | Patrik Klos v Andriy Sitak | L | 2-3 |
| TT Star Series | 2020/11/12 07:00 | Andriy Sitak v Patrik Klos | L | 3-1 |
| TT Star Series | 2020/11/06 11:30 | Patrik Klos v Andriy Sitak | L | 1-3 |
| TT Star Series | 2020/11/05 08:10 | Andriy Sitak v Patrik Klos | L | 3-1 |
| Challenger - Ochsenhausen | 2020/01/27 21:00 | Patrik Klos v Andriy Sitak | W | 3-0 |
| TT Star Series | 2021/08/12 10:15 | Patrik Klos v Antonin Gavlas | L | 0-3 |
| TT Star Series | 2021/08/12 08:15 | Patrik Klos v Petr David | L | 0-3 |
| TT Star Series | 2021/08/12 06:00 | Patrik Klos v Vladimir Anca | W | 3-2 |
| TT Star Series | 2021/06/04 13:45 | Patrik Klos v Miroslav Horejsi | L | 1-3 |
| TT Star Series | 2021/06/04 11:51 | Dmitrij Prokopcov v Patrik Klos | W | 2-3 |
| TT Star Pro Series | 2021/06/04 10:15 | Patrik Klos v Jakub Zelinka | L | 1-3 |
| TT Star Pro Series | 2021/06/04 08:15 | Patrik Klos v Radim Bako | L | 2-3 |
| TT Star Pro Series | 2021/06/04 06:00 | Patrik Klos v Radim Moravek | W | 3-0 |
| TT Star Series | 2021/08/12 11:15 | Andriy Sitak v Jan Valenta | L | 0-3 |
| TT Star Series | 2021/08/12 09:45 | Andriy Sitak v Romualdo Manna | W | 3-2 |
| TT Star Series | 2021/08/12 07:45 | Andriy Sitak v Daniel Kosiba | L | 1-3 |
| Challenger - Ochsenhausen | 2021/07/09 10:30 | Andriy Sitak v Evgueni Chtchetinine | W | 3-0 |
| Challenger - Ochsenhausen | 2021/07/09 07:50 | Andriy Sitak v Snehit Suravajjula | L | 0-3 |
| Challenger - Ochsenhausen | 2021/07/08 11:50 | Andriy Sitak v Dwain Schwarzer | W | 3-0 |
| Challenger - Ochsenhausen | 2021/07/08 08:30 | Andriy Sitak v Sven Happek | W | 3-2 |
| Challenger - Ochsenhausen | 2021/07/07 11:50 | Andriy Sitak v Jeet Chandra | L | 1-3 |