| Challenger Ochsenhausen | 2021/03/23 12:00 | Andrey Semenov v Florian Bluhm | W | 0-3 |
| Challenger Ochsenhausen | 2021/04/13 07:40 | Florian Bluhm v Miguel Chamorro | W | 3-2 |
| Challenger Ochsenhausen | 2021/04/12 18:40 | Florian Bluhm v Josip Huzjak | W | 3-0 |
| Challenger Ochsenhausen | 2021/04/12 17:20 | Florian Bluhm v Evgueni Chtchetinine | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/12 11:50 | Florian Bluhm v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/12 09:10 | Florian Bluhm v Dennis Klein | L | 1-3 |
| Challenger Ochsenhausen | 2021/04/12 06:30 | Florian Bluhm v Marius Henninger | W | 3-0 |
| Challenger Ochsenhausen | 2021/04/06 09:40 | Jiri Martinko v Florian Bluhm | L | 3-1 |
| Challenger Ochsenhausen | 2021/04/06 08:20 | Francisco Sanchi v Florian Bluhm | W | 1-3 |
| Challenger Ochsenhausen | 2021/04/13 09:40 | Andrey Semenov v Marius Henninger | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/12 19:20 | Miguel Chamorro v Andrey Semenov | W | 1-3 |
| Challenger Ochsenhausen | 2021/04/12 16:40 | Josip Huzjak v Andrey Semenov | W | 2-3 |
| Challenger Ochsenhausen | 2021/04/12 14:40 | Evgueni Chtchetinine v Andrey Semenov | W | 2-3 |
| Challenger Ochsenhausen | 2021/04/12 09:50 | Dauud Cheaib v Andrey Semenov | L | 3-0 |
| Challenger Ochsenhausen | 2021/04/12 07:10 | Dennis Klein v Andrey Semenov | W | 1-3 |
| Challenger Ochsenhausen | 2021/03/23 12:00 | Andrey Semenov v Florian Bluhm | L | 0-3 |
| Challenger Ochsenhausen | 2021/03/23 08:40 | Andrey Semenov v Dennis Klein | L | 1-3 |