| Challenger - Ochsenhausen | 2021/06/28 06:30 | Liang Qiu v Dennis Klein | W | 2-3 |
| Challenger - Ochsenhausen | 2021/02/25 08:10 | Liang Qiu v Dennis Klein | L | 3-0 |
| Challenger - Ochsenhausen | 2021/02/22 13:30 | Dennis Klein v Liang Qiu | L | 1-3 |
| Challenger - Ochsenhausen | 2021/01/27 13:30 | Dennis Klein v Liang Qiu | L | 2-3 |
| Challenger - Ochsenhausen | 2021/01/25 12:50 | Liang Qiu v Dennis Klein | W | 1-3 |
| Challenger - Ochsenhausen | 2021/10/11 15:20 | Dennis Klein v Amirreza Abbasi | L | 2-3 |
| Challenger - Ochsenhausen | 2021/10/11 12:30 | Dennis Klein v Andriy Sitak | W | 3-1 |
| Challenger - Ochsenhausen | 2021/10/11 09:10 | Alexander Valuch v Dennis Klein | L | 3-1 |
| Challenger - Ochsenhausen | 2021/10/11 07:10 | Dennis Klein v Marius Henninger | L | 2-3 |
| Challenger - Ochsenhausen | 2021/08/31 14:40 | Dennis Klein v Andrei Putuntica | W | 3-2 |
| Challenger - Ochsenhausen | 2021/08/31 12:35 | Dennis Klein v Amirreza Abbasi | W | 3-2 |
| Challenger - Ochsenhausen | 2021/08/31 11:00 | Dennis Klein v Amirreza Abbasi | W | 3-0 |
| Challenger - Ochsenhausen | 2021/08/31 07:40 | Dennis Klein v Eduardo Gonzales | W | 3-0 |
| Challenger - Ochsenhausen | 2021/10/29 13:30 | Dauud Cheaib v Liang Qiu | L | 3-1 |
| Challenger - Ochsenhausen | 2021/10/29 12:05 | Liang Qiu v Florian Bluhm | W | 3-1 |
| Challenger - Ochsenhausen | 2021/10/29 08:30 | Alexander Valuch v Liang Qiu | W | 0-3 |
| Challenger - Ochsenhausen | 2021/10/28 12:30 | Xavier Dixon v Liang Qiu | W | 1-3 |
| Challenger - Ochsenhausen | 2021/10/28 09:50 | Florian Bluhm v Liang Qiu | W | 1-3 |
| Challenger - Ochsenhausen | 2021/10/28 07:50 | Sourav Saha v Liang Qiu | L | 3-2 |
| Challenger - Ochsenhausen | 2021/10/27 12:30 | Dauud Cheaib v Liang Qiu | L | 3-2 |
| Challenger - Ochsenhausen | 2021/10/27 11:10 | Paul Gauzy v Liang Qiu | W | 2-3 |