| Challenger - Ochsenhausen | 2021/07/08 06:30 | Dwain Schwarzer v Snehit Suravajjula | L | 0-3 |
| Challenger - Ochsenhausen | 2021/07/07 11:25 | Dwain Schwarzer v Valerij Rakov | W | 3-2 |
| Challenger - Ochsenhausen | 2021/07/07 09:45 | Sven Happek v Dwain Schwarzer | L | 3-2 |
| Challenger - Ochsenhausen | 2021/07/06 10:20 | Dwain Schwarzer v Maciej Kubik | L | 0-3 |
| Challenger - Ochsenhausen | 2021/07/06 07:00 | Dwain Schwarzer v Alessandro Baciocchi | W | 3-1 |
| Challenger - Ochsenhausen | 2021/07/05 18:00 | Dwain Schwarzer v Alexander Valuch | L | 2-3 |
| Challenger - Ochsenhausen | 2021/07/05 15:20 | Jeet Chandra v Dwain Schwarzer | L | 3-0 |
| Challenger - Ochsenhausen | 2021/07/05 11:50 | Josip Huzjak v Dwain Schwarzer | W | 0-3 |
| Challenger - Ochsenhausen | 2021/07/07 13:10 | Sven Happek v Evgueni Chtchetinine | W | 2-3 |
| Challenger - Ochsenhausen | 2021/07/07 10:35 | Jeet Chandra v Evgueni Chtchetinine | W | 1-3 |
| Challenger - Ochsenhausen | 2021/07/07 08:55 | Fedor Kuzmin v Evgueni Chtchetinine | L | 3-0 |
| Challenger - Ochsenhausen | 2021/06/04 09:50 | Dennis Klein v Evgueni Chtchetinine | L | 3-1 |
| Challenger - Ochsenhausen | 2021/06/04 07:50 | Christopher Ligocki v Evgueni Chtchetinine | W | 0-3 |
| Challenger - Ochsenhausen | 2021/06/03 11:10 | Evgueni Chtchetinine v Fedor Kuzmin | L | 0-3 |
| Challenger - Ochsenhausen | 2021/06/03 07:50 | Evgueni Chtchetinine v Samuel Amann | W | 3-0 |
| Challenger - Ochsenhausen | 2021/06/03 06:30 | Dauud Cheaib v Evgueni Chtchetinine | L | 3-0 |