| Challenger - Ochsenhausen | 2021/05/10 10:30 | Carlo Rossi v Josip Huzjak | W | 3-1 |
| Challenger - Ochsenhausen | 2021/05/11 12:35 | Carlo Rossi v Dennis Klein | L | 2-3 |
| Challenger - Ochsenhausen | 2021/05/11 10:20 | Michael Engelhardt v Carlo Rossi | W | 0-3 |
| Challenger - Ochsenhausen | 2021/05/11 08:20 | Carlo Rossi v Florian Bluhm | W | 3-1 |
| Challenger - Ochsenhausen | 2021/05/10 20:00 | Juri Grauer v Carlo Rossi | W | 0-3 |
| Challenger - Ochsenhausen | 2021/05/10 17:20 | Dennis Klein v Carlo Rossi | W | 0-3 |
| Challenger - Ochsenhausen | 2021/05/10 14:40 | Carlo Rossi v Samuel Amann | W | 3-0 |
| Challenger - Ochsenhausen | 2021/05/10 10:30 | Carlo Rossi v Josip Huzjak | W | 3-1 |
| Challenger - Ochsenhausen | 2021/05/10 08:30 | Carlo Rossi v Fedor Kuzmin | L | 0-3 |
| Challenger - Ochsenhausen | 2021/05/11 13:15 | Josip Huzjak v Fedor Kuzmin | L | 0-3 |
| Challenger - Ochsenhausen | 2021/05/11 11:40 | Juri Grauer v Josip Huzjak | W | 0-3 |
| 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 |