| Challenger Ochsenhausen | 2021/05/25 11:00 | Daniel Rinderer v Dillon Chambers | L | 2-3 |
| Challenger Ochsenhausen | 2021/08/09 18:40 | Daniel Rinderer v Fedor Kuzmin | L | 1-3 |
| Challenger Ochsenhausen | 2021/08/09 17:20 | Daniel Rinderer v Andrey Semenov | L | 1-3 |
| Challenger Ochsenhausen | 2021/08/09 11:50 | Daniel Rinderer v Michael Servaty | W | 3-2 |
| Challenger Ochsenhausen | 2021/08/09 09:10 | Daniel Rinderer v Dennis Klein | L | 0-3 |
| Challenger Ochsenhausen | 2021/08/09 06:30 | Daniel Rinderer v Florian Bluhm | L | 1-3 |
| Challenger Ochsenhausen | 2021/06/01 11:40 | Valerij Rakov v Daniel Rinderer | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/01 07:40 | Josip Huzjak v Daniel Rinderer | W | 2-3 |
| Challenger Ochsenhausen | 2021/05/31 19:20 | Daniel Rinderer v Fedor Kuzmin | L | 0-3 |
| Challenger Ochsenhausen | 2021/08/09 19:20 | Dillon Chambers v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/08/09 16:00 | Dillon Chambers v Florian Bluhm | L | 1-3 |
| Challenger Ochsenhausen | 2021/08/09 14:00 | Fedor Kuzmin v Dillon Chambers | L | 3-2 |
| Challenger Ochsenhausen | 2021/08/09 10:30 | Andrey Semenov v Dillon Chambers | W | 2-3 |
| Challenger Ochsenhausen | 2021/08/09 07:50 | Michael Servaty v Dillon Chambers | W | 2-3 |
| Challenger Ochsenhausen | 2021/08/03 14:00 | Cedric Tschanz v Dillon Chambers | W | 2-3 |
| Challenger Ochsenhausen | 2021/08/03 13:15 | Dillon Chambers v Andrey Semenov | L | 1-3 |
| Challenger Ochsenhausen | 2021/08/03 11:00 | Jonas Christmann v Dillon Chambers | W | 2-3 |