| Challenger de Ochsenhausen | 2021/03/23 10:00 | Evgueni Chtchetinine v Miguel Chamorro | W | 2-3 |
| Challenger de Ochsenhausen | 2021/03/23 08:00 | Peter Hribar v Miguel Chamorro | L | 3-1 |
| Challenger de Ochsenhausen | 2021/03/22 19:40 | Andrey Semenov v Miguel Chamorro | L | 3-1 |
| Challenger de Ochsenhausen | 2021/03/22 17:40 | Miguel Chamorro v Florian Bluhm | L | 0-3 |
| Challenger de Ochsenhausen | 2021/03/22 15:00 | Miguel Chamorro v Dennis Klein | L | 0-3 |
| Challenger de Ochsenhausen | 2021/03/22 12:10 | Miguel Chamorro v Fedor Kuzmin | L | 0-3 |
| Challenger de Ochsenhausen | 2021/03/22 10:20 | Francisco Sanchi v Miguel Chamorro | L | 3-1 |
| Challenger de Ochsenhausen | 2021/03/09 12:00 | Miguel Chamorro v Dimitrije Levajac | L | 0-3 |
| Challenger de Ochsenhausen | 2021/04/02 09:10 | Josip Huzjak v Dillon Chambers | W | 1-3 |
| Challenger de Ochsenhausen | 2021/04/02 07:10 | Liang Qiu v Dillon Chambers | L | 3-0 |
| Challenger de Ochsenhausen | 2021/04/01 11:50 | Fedor Kuzmin v Dillon Chambers | L | 3-2 |
| Challenger de Ochsenhausen | 2021/04/01 09:10 | Dillon Chambers v Sven Happek | W | 3-2 |
| Challenger de Ochsenhausen | 2021/04/01 06:30 | Dillon Chambers v Jiri Martinko | L | 0-3 |
| Challenger de Ochsenhausen | 2021/03/31 11:10 | Dillon Chambers v Peter Hribar | L | 0-3 |
| Challenger de Ochsenhausen | 2021/03/31 08:30 | Dauud Cheaib v Dillon Chambers | L | 3-1 |
| Challenger de Ochsenhausen | 2021/03/12 09:30 | Evgueni Chtchetinine v Dillon Chambers | L | 3-1 |