| Challenger Ochsenhausen | 2021/04/12 14:00 | Josip Huzjak v Chamorro, Miguel | L | 3-1 |
| Challenger Ochsenhausen | 2021/12/01 12:10 | Chamorro, Miguel v Dauud Cheaib | L | 1-3 |
| Challenger Ochsenhausen | 2021/12/01 09:30 | Tugay Yilmaz v Chamorro, Miguel | L | 3-1 |
| Challenger Ochsenhausen | 2021/11/16 10:40 | Chtchetinine, Evgueni v Chamorro, Miguel | W | 1-3 |
| Challenger Ochsenhausen | 2021/11/16 09:20 | Dauud Cheaib v Chamorro, Miguel | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/15 19:00 | Putuntica, Andrei v Chamorro, Miguel | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/15 17:00 | Sudhanshu Grover v Chamorro, Miguel | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/15 13:30 | Adam Klajber v Chamorro, Miguel | W | 0-3 |
| Challenger Ochsenhausen | 2021/11/15 12:10 | Dennis Klein v Chamorro, Miguel | L | 3-0 |
| Challenger Ochsenhausen | 2021/12/01 11:30 | Tugay Yilmaz v Josip Huzjak | W | 2-3 |
| Challenger Ochsenhausen | 2021/12/01 08:50 | Dennis Klein v Josip Huzjak | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/09 12:40 | Josip Huzjak v Carlos Muhlbach | L | 0-3 |
| Challenger Ochsenhausen | 2021/11/09 10:00 | Josip Huzjak v Florian Bluhm | L | 2-3 |
| Challenger Ochsenhausen | 2021/11/08 21:00 | Josip Huzjak v Liang Qiu | L | 1-3 |
| Challenger Ochsenhausen | 2021/11/08 16:20 | Josip Huzjak v Florian Bourrassaud | W | 3-2 |
| Challenger Ochsenhausen | 2021/11/08 13:30 | Josip Huzjak v Valuch, Alexander | L | 2-3 |
| Challenger Ochsenhausen | 2021/11/08 10:10 | Simon Berglund v Josip Huzjak | L | 3-0 |