| Challenger Series TT | 2023/01/10 11:30 | Yongyin Li v Dennis Klein | W | 3-0 |
| Challenger Series TT | 2023/01/10 11:30 | Yongyin Li v Dennis Klein | W | 3-0 |
| Challenger Series TT | 2023/01/10 08:50 | Yongyin Li v Sven Happek | W | 3-0 |
| Challenger Series TT | 2023/01/09 20:10 | Yongyin Li v Daniel Rinderer | W | 3-0 |
| Challenger Series TT | 2023/01/09 15:30 | Yongyin Li v Kestutis Zeimys | W | 3-0 |
| Challenger Series TT | 2023/01/09 13:30 | Yongyin Li v Dauud Cheaib | W | 3-2 |
| Challenger Series TT | 2023/01/09 10:10 | Yannick Vostes v Yongyin Li | W | 1-3 |
| Challenger Series TT | 2023/01/09 08:10 | Yongyin Li v Jean Rassouw | W | 3-0 |
| Polish Open | 2020/03/11 17:00 | Yongyin Li v Tomas Koldas | W | 3-0 |
| Challenger Series TT | 2023/01/10 11:30 | Yongyin Li v Dennis Klein | L | 3-0 |
| Challenger Series TT | 2023/01/10 07:30 | Yannick Vostes v Dennis Klein | L | 3-2 |
| Challenger Series TT | 2023/01/09 19:30 | Dennis Klein v Jean Rassouw | W | 3-0 |
| Challenger Series TT | 2023/01/09 16:10 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger Series TT | 2023/01/09 14:10 | Sven Happek v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/01/09 11:30 | Daniel Rinderer v Dennis Klein | L | 3-2 |
| Challenger Series TT | 2023/01/09 08:50 | Kestutis Zeimys v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2022/11/01 14:30 | Dennis Klein v Josip Huzjak | W | 3-1 |