| Challenger - Ochsenhausen | 2021/05/24 14:00 | Ali Gozubuyuk v Christopher Ligocki | W | 3-1 |
| Challenger - Ochsenhausen | 2021/05/24 11:10 | Ali Gozubuyuk v Dennis Klein | L | 2-3 |
| Challenger - Ochsenhausen | 2021/05/24 08:30 | Josip Huzjak v Ali Gozubuyuk | L | 3-1 |
| Challenger - Ochsenhausen | 2021/05/18 09:40 | Evgueni Chtchetinine v Ali Gozubuyuk | L | 3-0 |
| Challenger - Ochsenhausen | 2021/05/18 08:20 | Peter Hribar v Ali Gozubuyuk | L | 3-1 |
| Challenger - Ochsenhausen | 2021/05/17 18:00 | Dauud Cheaib v Ali Gozubuyuk | L | 3-0 |
| Challenger - Ochsenhausen | 2021/05/17 16:00 | Jonathan Thimon v Ali Gozubuyuk | W | 0-3 |
| Challenger - Ochsenhausen | 2021/05/17 12:30 | Marius Henninger v Ali Gozubuyuk | L | 3-0 |
| Challenger - Ochsenhausen | 2021/05/24 14:40 | Josip Huzjak v Dillon Chambers | W | 2-3 |
| Challenger - Ochsenhausen | 2021/05/24 09:50 | Henning Zeptner v Dillon Chambers | W | 1-3 |
| Challenger - Ochsenhausen | 2021/05/24 07:10 | Ahmed El-Mahdy v Dillon Chambers | W | 2-3 |
| Challenger - Ochsenhausen | 2021/04/29 11:50 | Liang Qiu v Dillon Chambers | L | 3-1 |
| Challenger - Ochsenhausen | 2021/04/29 09:10 | Dillon Chambers v Evgueni Chtchetinine | L | 1-3 |
| Challenger - Ochsenhausen | 2021/04/29 06:30 | Dillon Chambers v Enzo Angles | L | 1-3 |
| Challenger - Ochsenhausen | 2021/04/28 11:10 | Dillon Chambers v Harmeet Desai | L | 2-3 |
| Challenger - Ochsenhausen | 2021/04/28 08:30 | Jiri Martinko v Dillon Chambers | L | 3-0 |