| Challenger Series TT | 2023/11/14 10:50 | Dennis Klein v Liang Qiu | W | 3-0 |
| Challenger Series TT | 2023/07/07 11:25 | Dennis Klein v Liang Qiu | W | 3-1 |
| Challenger Series TT | 2023/07/06 17:10 | Dennis Klein v Liang Qiu | W | 3-1 |
| Challenger Series TT | 2022/07/29 12:50 | Liang Qiu v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2022/07/28 17:10 | Liang Qiu v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/12/03 12:25 | Dennis Klein v Liang Qiu | W | 3-2 |
| Challenger Ochsenhausen | 2021/12/02 08:10 | Liang Qiu v Dennis Klein | W | 2-3 |
| Challenger Ochsenhausen | 2021/11/01 07:30 | Dennis Klein v Liang Qiu | W | 3-2 |
| Challenger Series TT | 2023/11/14 14:30 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Series TT | 2023/11/14 12:25 | Dennis Klein v Martin Baechler | W | 3-0 |
| Challenger Series TT | 2023/11/14 10:50 | Dennis Klein v Liang Qiu | W | 3-0 |
| Challenger Series TT | 2023/11/14 07:30 | Dennis Klein v Martin Baechler | W | 3-0 |
| Challenger Series TT | 2023/11/13 18:50 | Dennis Klein v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/11/13 17:30 | Dennis Klein v Vidit Desai | W | 3-0 |
| Challenger Series TT | 2023/11/13 12:50 | Dennis Klein v Akito Itagaki | W | 3-1 |
| Challenger Series TT | 2023/11/13 10:10 | Dennis Klein v Alexander Valuch | W | 3-0 |
| Challenger Series TT | 2023/11/28 13:10 | Liang Qiu v Kirill Fadeev | L | 1-3 |
| Challenger Series TT | 2023/11/28 11:05 | Liang Qiu v Aljaz Godec | W | 3-0 |
| Challenger Series TT | 2023/11/28 10:10 | Aljaz Godec v Liang Qiu | W | 1-3 |
| Challenger Series TT | 2023/11/28 08:50 | Liang Qiu v Armin Alicic | W | 3-0 |
| Challenger Series TT | 2023/11/27 18:50 | Damian Zech v Liang Qiu | W | 0-3 |
| Challenger Series TT | 2023/11/27 16:10 | Michael Fuchs v Liang Qiu | W | 2-3 |
| Challenger Series TT | 2023/11/27 14:50 | Johannes Willeke v Liang Qiu | W | 2-3 |
| Challenger Series TT | 2023/11/27 10:50 | Kirill Fadeev v Liang Qiu | W | 0-3 |