| Challenger Ochsenhausen | 2021/04/12 11:10 | Josip Huzjak v Marius Henninger | W | 3-2 |
| Challenger Ochsenhausen | 2021/04/12 08:30 | Evgueni Chtchetinine v Josip Huzjak | L | 3-1 |
| Challenger Ochsenhausen | 2021/04/06 11:40 | Carlos Muhlbach v Josip Huzjak | L | 3-0 |
| Challenger Ochsenhausen | 2021/04/06 07:40 | Pekka Pelz v Josip Huzjak | W | 1-3 |
| Challenger Ochsenhausen | 2021/04/05 19:20 | Josip Huzjak v Jiri Martinko | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/05 16:00 | Josip Huzjak v Florian Bluhm | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/05 14:00 | Dimitrije Levajac v Josip Huzjak | L | 3-2 |
| Challenger Ochsenhausen | 2021/04/05 10:30 | Francisco Sanchi v Josip Huzjak | L | 3-2 |
| Challenger Ochsenhausen | 2021/04/12 10:30 | Evgueni Chtchetinine v Miguel Chamorro | L | 3-1 |
| Challenger Ochsenhausen | 2021/04/12 07:50 | Dauud Cheaib v Miguel Chamorro | L | 3-1 |
| Challenger Ochsenhausen | 2021/04/09 10:30 | Miguel Chamorro v Dennis Klein | L | 1-3 |
| Challenger Ochsenhausen | 2021/04/09 07:50 | Miguel Chamorro v Dimitrije Levajac | L | 1-3 |
| Challenger Ochsenhausen | 2021/04/08 11:50 | Miguel Chamorro v Evgueni Chtchetinine | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/08 08:30 | Miguel Chamorro v Jiri Martinko | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/07 11:50 | Miguel Chamorro v Carlos Muhlbach | L | 1-3 |
| Challenger Ochsenhausen | 2021/04/07 09:10 | Miguel Chamorro v Dauud Cheaib | L | 2-3 |