| TT Star Series | 2021/08/24 07:10 | Patrik Klos v David Reitspies | L | 0-3 |
| TT Star Series | 2021/05/20 07:10 | David Reitspies v Patrik Klos | L | 3-1 |
| TT Star Series | 2021/05/17 08:15 | Patrik Klos v David Reitspies | L | 0-3 |
| TT Star Series | 2021/05/03 06:00 | Patrik Klos v David Reitspies | L | 1-3 |
| TT Star Series | 2021/04/23 11:45 | David Reitspies v Patrik Klos | L | 3-0 |
| TT Star Series | 2021/04/20 11:45 | Patrik Klos v David Reitspies | L | 1-3 |
| TT Star Series | 2021/03/30 11:39 | David Reitspies v Patrik Klos | W | 2-3 |
| TT Star Series | 2021/03/29 11:15 | Patrik Klos v David Reitspies | L | 0-3 |
| TT Star Series | 2021/09/14 11:45 | Patrik Klos v Pavol Mego | W | 3-0 |
| TT Star Series | 2021/09/14 08:45 | Patrik Klos v Thomas Keinath | L | 1-3 |
| TT Star Series | 2021/09/14 06:35 | Patrik Klos v Oleksandr Tymofieiev | L | 0-3 |
| TT Star Series | 2021/09/13 11:33 | Patrik Klos v Mohamed Shouman | W | 3-2 |
| TT Star Series | 2021/09/13 10:15 | Patrik Klos v Felipe Manuel | W | 3-0 |
| TT Star Series | 2021/09/13 06:00 | Patrik Klos v Ondrej Bajger | L | 0-3 |
| TT Star Series | 2021/08/24 10:15 | Jakub Kleprlik v Patrik Klos | W | 1-3 |
| TT Star Series | 2021/08/24 08:45 | David Prusa v Patrik Klos | W | 1-3 |
| Challenger Ochsenhausen | 2021/09/14 14:40 | Dauud Cheaib v David Reitspies | W | 2-3 |
| Challenger Ochsenhausen | 2021/09/14 13:15 | David Reitspies v Evgueni Chtchetinine | W | 3-1 |
| Challenger Ochsenhausen | 2021/09/14 11:00 | David Reitspies v Fedor Kuzmin | W | 3-2 |
| Challenger Ochsenhausen | 2021/09/14 07:40 | David Reitspies v Dauud Cheaib | L | 2-3 |
| Challenger Ochsenhausen | 2021/09/13 18:40 | David Reitspies v Florian Bluhm | W | 3-0 |
| Challenger Ochsenhausen | 2021/09/13 17:20 | David Reitspies v Niagol Stoyanov | W | 3-0 |
| Challenger Ochsenhausen | 2021/09/13 11:50 | David Reitspies v Alexander Valuch | W | 3-0 |
| Challenger Ochsenhausen | 2021/09/13 09:10 | David Reitspies v Evgueni Chtchetinine | L | 0-3 |