| Challenger - Ochsenhausen | 2021/05/11 09:00 | Juri Grauer v Fedor Kuzmin | L | 0-3 |
| Challenger - Ochsenhausen | 2021/05/10 20:00 | Juri Grauer v Carlo Rossi | L | 0-3 |
| Challenger - Ochsenhausen | 2021/05/10 15:20 | Juri Grauer v Michael Engelhardt | L | 0-3 |
| Challenger - Ochsenhausen | 2021/05/10 12:30 | Juri Grauer v Florian Bluhm | L | 0-3 |
| Challenger - Ochsenhausen | 2021/05/10 09:10 | Dennis Klein v Juri Grauer | L | 3-0 |
| Challenger - Ochsenhausen | 2021/05/10 07:10 | Juri Grauer v Samuel Amann | L | 2-3 |
| Challenger - Ochsenhausen | 2021/05/11 07:40 | Dennis Klein v Josip Huzjak | L | 3-2 |
| Challenger - Ochsenhausen | 2021/05/10 19:20 | Josip Huzjak v Samuel Amann | W | 3-0 |
| Challenger - Ochsenhausen | 2021/05/10 16:00 | Josip Huzjak v Florian Bluhm | W | 3-1 |
| Challenger - Ochsenhausen | 2021/05/10 14:00 | Fedor Kuzmin v Josip Huzjak | W | 0-3 |
| Challenger - Ochsenhausen | 2021/05/10 10:30 | Carlo Rossi v Josip Huzjak | L | 3-1 |
| Challenger - Ochsenhausen | 2021/05/10 07:50 | Michael Engelhardt v Josip Huzjak | W | 0-3 |
| Challenger - Ochsenhausen | 2021/04/20 11:00 | Marius Henninger v Josip Huzjak | W | 2-3 |
| Challenger - Ochsenhausen | 2021/04/20 09:40 | Josip Huzjak v Dauud Cheaib | L | 0-3 |