| Challenger Ochsenhausen | 2021/10/01 10:30 | Sven Happek v Miguel Chamorro | L | 2-3 |
| Challenger Ochsenhausen | 2021/06/17 10:30 | Sven Happek v Miguel Chamorro | L | 2-3 |
| Challenger Ochsenhausen | 2021/02/25 09:30 | Sven Happek v Miguel Chamorro | L | 2-3 |
| Challenger Ochsenhausen | 2021/02/12 08:10 | Sven Happek v Miguel Chamorro | L | 1-3 |
| Challenger Ochsenhausen | 2020/10/08 10:30 | Sven Happek v Miguel Chamorro | W | 3-2 |
| Challenger Ochsenhausen | 2020/07/03 10:30 | Miguel Chamorro v Sven Happek | L | 3-2 |
| Challenger Ochsenhausen | 2020/06/24 08:40 | Sven Happek v Miguel Chamorro | L | 1-4 |
| Challenger Ochsenhausen | 2020/06/12 08:40 | Sven Happek v Miguel Chamorro | L | 1-4 |
| Challenger Ochsenhausen | 2021/12/02 09:30 | Sven Happek v Tugay Yilmaz | W | 3-0 |
| Challenger Ochsenhausen | 2021/12/01 12:50 | Sven Happek v Dennis Klein | L | 0-3 |
| Challenger Ochsenhausen | 2021/12/01 10:10 | Sven Happek v Liang Qiu | L | 0-3 |
| Challenger Ochsenhausen | 2021/12/01 07:30 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/11/12 08:50 | Alexander Valuch v Sven Happek | L | 3-2 |
| Challenger Ochsenhausen | 2021/11/11 12:10 | Simon Berglund v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2021/11/11 10:10 | John Oyebode v Sven Happek | W | 2-3 |
| Challenger Ochsenhausen | 2021/11/11 08:50 | Evgueni Chtchetinine v Sven Happek | W | 2-3 |
| Challenger Ochsenhausen | 2021/12/02 10:10 | Miguel Chamorro v Alexander Valuch | L | 1-3 |
| Challenger Ochsenhausen | 2021/12/02 07:30 | Miguel Chamorro v Josip Huzjak | W | 3-2 |
| Challenger Ochsenhausen | 2021/12/01 12:10 | Miguel Chamorro v Dauud Cheaib | L | 1-3 |
| Challenger Ochsenhausen | 2021/12/01 09:30 | Tugay Yilmaz v Miguel Chamorro | L | 3-1 |
| Challenger Ochsenhausen | 2021/11/16 10:40 | Evgueni Chtchetinine v Miguel Chamorro | W | 1-3 |
| Challenger Ochsenhausen | 2021/11/16 09:20 | Dauud Cheaib v Miguel Chamorro | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/15 19:00 | Andrei Putuntica v Miguel Chamorro | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/15 17:00 | Sudhanshu Grover v Miguel Chamorro | L | 3-0 |