| Challenger - Ochsenhausen | 2021/06/14 06:30 | Marius Henninger v Florian Bluhm | L | 1-3 |
| Challenger - Ochsenhausen | 2021/06/08 09:40 | Johannes Schnabel v Marius Henninger | W | 1-3 |
| Challenger - Ochsenhausen | 2021/06/08 08:20 | Dauud Cheaib v Marius Henninger | L | 3-0 |
| Challenger - Ochsenhausen | 2021/06/07 18:00 | Lars Brinkhaus v Marius Henninger | W | 0-3 |
| Challenger - Ochsenhausen | 2021/06/07 16:00 | Carlos Muhlbach v Marius Henninger | L | 3-0 |
| Challenger - Ochsenhausen | 2021/06/07 12:30 | Florian Bluhm v Marius Henninger | L | 3-0 |
| Challenger - Ochsenhausen | 2021/06/07 11:10 | Andrey Semenov v Marius Henninger | L | 3-2 |
| Challenger - Ochsenhausen | 2021/06/07 06:30 | Felix Wetzel v Marius Henninger | L | 3-0 |
| Challenger - Ochsenhausen | 2021/06/14 07:10 | Samuel Amann v Dillon Chambers | L | 1-3 |
| Challenger - Ochsenhausen | 2021/06/04 08:30 | Dillon Chambers v Samuel Amann | L | 3-0 |
| Challenger - Ochsenhausen | 2021/06/03 12:30 | Fedor Kuzmin v Samuel Amann | L | 3-0 |
| Challenger - Ochsenhausen | 2021/06/03 09:50 | Peter Hribar v Samuel Amann | L | 3-0 |
| Challenger - Ochsenhausen | 2021/06/03 07:50 | Evgueni Chtchetinine v Samuel Amann | L | 3-0 |
| Challenger - Ochsenhausen | 2021/06/02 12:30 | Dennis Klein v Samuel Amann | L | 3-0 |
| Challenger - Ochsenhausen | 2021/06/02 11:10 | Dauud Cheaib v Samuel Amann | L | 3-0 |
| Challenger - Ochsenhausen | 2021/06/02 06:30 | Christopher Ligocki v Samuel Amann | W | 1-3 |