| Challenger - Ochsenhausen | 2021/04/12 14:00 | Josip Huzjak v Miguel Chamorro | W | 3-1 |
| 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 | 2021/04/12 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 |
| Challenger - Ochsenhausen | 2021/03/22 19:40 | Andrey Semenov v Miguel Chamorro | W | 3-1 |
| Challenger - Ochsenhausen | 2021/03/22 18:20 | Andrey Semenov v Francisco Sanchi | W | 3-2 |
| Challenger - Ochsenhausen | 2021/03/22 12:50 | Andrey Semenov v Peter Hribar | W | 3-0 |