| Challenger de Ochsenhausen | 2021/09/13 17:20 | David Reitspies v Niagol Stoyanov | W | 3-0 |
| Challenger de Ochsenhausen | 2021/09/13 11:50 | David Reitspies v Alexander Valuch | W | 3-0 |
| Challenger de Ochsenhausen | 2021/09/13 09:10 | David Reitspies v Evgueni Chtchetinine | L | 0-3 |
| Challenger de Ochsenhausen | 2021/09/13 06:30 | David Reitspies v Petr David | W | 3-1 |
| TT Star Series | 2021/09/09 16:04 | Jiri Vrablik v David Reitspies | L | 3-0 |
| TT Star Series | 2021/09/07 14:30 | David Reitspies v Jakub Zelinka | L | 1-3 |
| TT Star Series | 2021/09/07 12:41 | David Reitspies v Michal Obeslo | W | 3-1 |
| TT Star Series | 2021/09/07 11:45 | Jakub Zelinka v David Reitspies | W | 1-3 |
| Challenger de Ochsenhausen | 2021/09/13 16:40 | Florian Bluhm v Fedor Kuzmin | W | 3-2 |
| Challenger de Ochsenhausen | 2021/09/13 14:00 | Florian Bluhm v Dauud Cheaib | L | 0-3 |
| Challenger de Ochsenhausen | 2021/09/13 11:10 | Florian Bluhm v Petr David | W | 3-0 |
| Challenger de Ochsenhausen | 2021/09/13 08:30 | Niagol Stoyanov v Florian Bluhm | W | 0-3 |
| Challenger de Ochsenhausen | 2021/09/07 14:40 | Amirreza Abbasi v Florian Bluhm | L | 3-1 |
| Challenger de Ochsenhausen | 2021/09/07 13:15 | Josip Huzjak v Florian Bluhm | W | 0-3 |
| Challenger de Ochsenhausen | 2021/09/07 10:20 | Tom Jarvis v Florian Bluhm | W | 2-3 |
| Challenger de Ochsenhausen | 2021/09/07 08:20 | Florian Bluhm v Amin Ahmadian | L | 2-3 |