| 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 | 2021/05/07 12:10 | Carlo Rossi v Carlos Muhlbach | W | 3-1 |
| Challenger - Ochsenhausen | 2021/05/07 10:05 | Florian Bluhm v Carlo Rossi | W | 1-3 |
| Challenger - Ochsenhausen | 2021/05/07 07:50 | Michael Engelhardt v Carlo Rossi | W | 1-3 |
| Challenger - Ochsenhausen | 2021/05/06 12:30 | Florian Bluhm v Carlo Rossi | L | 3-1 |
| Challenger - Ochsenhausen | 2021/05/06 09:50 | Henning Zeptner v Carlo Rossi | L | 3-1 |
| Challenger - Ochsenhausen | 2021/05/06 07:50 | Jonathan Thimon v Carlo Rossi | L | 3-2 |
| Challenger - Ochsenhausen | 2021/05/10 09:50 | Michael Engelhardt v Samuel Amann | L | 3-0 |
| Challenger - Ochsenhausen | 2021/05/10 07:10 | Juri Grauer v Samuel Amann | W | 2-3 |