| Challenger - Ochsenhausen | 2021/05/07 06:30 | Henning Zeptner v Michael Engelhardt | W | 3-0 |
| Challenger - Ochsenhausen | 2021/05/06 09:50 | Henning Zeptner v Carlo Rossi | W | 3-1 |
| Challenger - Ochsenhausen | 2021/05/06 07:10 | Carlos Muhlbach v Henning Zeptner | L | 3-2 |
| Challenger - Ochsenhausen | 2021/05/05 11:50 | Enio Mendes v Henning Zeptner | L | 3-0 |
| Challenger - Ochsenhausen | 2021/05/05 09:50 | Henning Zeptner v Florian Bluhm | L | 0-3 |
| Challenger - Ochsenhausen | 2021/05/05 07:50 | Henning Zeptner v Jonathan Thimon | W | 3-0 |
| Challenger - Ochsenhausen | 2021/05/04 11:00 | Henning Zeptner v Marius Henninger | W | 3-2 |
| Challenger - Ochsenhausen | 2021/05/04 07:40 | Henning Zeptner v Christian Tomsic | W | 3-0 |
| Challenger - Ochsenhausen | 2021/05/07 07:10 | Carlos Muhlbach v Florian Saljani | L | 3-0 |
| Challenger - Ochsenhausen | 2021/05/06 11:50 | Enio Mendes v Florian Saljani | L | 3-0 |
| Challenger - Ochsenhausen | 2021/05/06 09:10 | Florian Saljani v Florian Bluhm | L | 0-3 |
| Challenger - Ochsenhausen | 2021/05/06 06:30 | Florian Saljani v Jonathan Thimon | W | 3-1 |
| Challenger - Ochsenhausen | 2021/05/05 11:10 | Florian Saljani v Carlo Rossi | L | 0-3 |
| Challenger - Ochsenhausen | 2021/05/05 08:30 | Michael Engelhardt v Florian Saljani | L | 3-0 |