| Challenger Ochsenhausen | 2021/07/05 10:30 | Maciej Kubik v Harmeet Desai | W | 1-3 |
| Challenger Ochsenhausen | 2021/07/06 12:35 | Harmeet Desai v Jeet Chandra | W | 3-0 |
| Challenger Ochsenhausen | 2021/07/06 11:40 | Jeet Chandra v Harmeet Desai | W | 0-3 |
| Challenger Ochsenhausen | 2021/07/06 07:40 | Josip Huzjak v Harmeet Desai | W | 0-3 |
| Challenger Ochsenhausen | 2021/07/05 19:20 | Harmeet Desai v Snehit Suravajjula | W | 3-0 |
| Challenger Ochsenhausen | 2021/07/05 16:00 | Harmeet Desai v Alexander Valuch | W | 3-0 |
| Challenger Ochsenhausen | 2021/07/05 14:00 | Alessandro Baciocchi v Harmeet Desai | W | 1-3 |
| Challenger Ochsenhausen | 2021/07/05 10:30 | Maciej Kubik v Harmeet Desai | W | 1-3 |
| Challenger Ochsenhausen | 2021/07/05 07:50 | Dwain Schwarzer v Harmeet Desai | W | 0-3 |
| Challenger Ochsenhausen | 2021/07/06 13:15 | Maciej Kubik v Josip Huzjak | W | 3-1 |
| Challenger Ochsenhausen | 2021/07/06 10:20 | Dwain Schwarzer v Maciej Kubik | W | 0-3 |
| Challenger Ochsenhausen | 2021/07/06 08:20 | Maciej Kubik v Alexander Valuch | W | 3-0 |
| Challenger Ochsenhausen | 2021/07/05 20:00 | Jeet Chandra v Maciej Kubik | W | 2-3 |
| Challenger Ochsenhausen | 2021/07/05 17:20 | Josip Huzjak v Maciej Kubik | W | 2-3 |
| Challenger Ochsenhausen | 2021/07/05 14:40 | Maciej Kubik v Snehit Suravajjula | W | 3-1 |
| Challenger Ochsenhausen | 2021/07/05 10:30 | Maciej Kubik v Harmeet Desai | L | 1-3 |
| Challenger Ochsenhausen | 2021/07/05 08:30 | Maciej Kubik v Alessandro Baciocchi | W | 3-0 |