| Challenger Series TT | 2023/12/11 07:30 | Dennis Klein v Liang Qiu | W | 3-0 |
| 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 Series TT | 2023/12/12 10:50 | Dennis Klein v Kirill Fadeev | W | 3-2 |
| Challenger Series TT | 2023/12/12 07:30 | Dennis Klein v Bohdan Sinkevych | W | 3-1 |
| Challenger Series TT | 2023/12/11 18:50 | Dennis Klein v Jeromy Loffler | W | 3-0 |
| Challenger Series TT | 2023/12/11 17:30 | Dennis Klein v Lichen Wang | W | 3-0 |
| Challenger Series TT | 2023/12/11 12:50 | Dennis Klein v Mike Hollo | W | 3-0 |
| Challenger Series TT | 2023/12/11 10:10 | Dennis Klein v Alexander Valuch | W | 3-0 |
| Challenger Series TT | 2023/12/11 07:30 | Dennis Klein v Liang Qiu | W | 3-0 |
| Challenger Series TT | 2023/11/14 14:30 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Series TT | 2023/12/12 09:30 | Kirill Fadeev v Liang Qiu | W | 0-3 |
| Challenger Series TT | 2023/12/12 08:10 | Lichen Wang v Liang Qiu | L | 3-1 |
| Challenger Series TT | 2023/12/11 18:10 | Mike Hollo v Liang Qiu | L | 3-2 |
| Challenger Series TT | 2023/12/11 16:10 | Bohdan Sinkevych v Liang Qiu | W | 1-3 |
| Challenger Series TT | 2023/12/11 13:30 | Alexander Valuch v Liang Qiu | W | 1-3 |
| Challenger Series TT | 2023/12/11 12:10 | Jeromy Loffler v Liang Qiu | W | 2-3 |
| Challenger Series TT | 2023/12/11 07:30 | Dennis Klein v Liang Qiu | L | 3-0 |
| Challenger Series TT | 2023/11/28 13:10 | Liang Qiu v Kirill Fadeev | L | 1-3 |