| WTT Feeder Dusseldorf III | 2023/12/01 10:10 | Kai Zhou v Steffen Mengel | L | 1-3 |
| WTT Feeder Dusseldorf III | 2023/12/01 10:10 | Kai Zhou v Steffen Mengel | L | 1-3 |
| WTT Feeder Dusseldorf III | 2023/11/30 18:00 | Dang Qiu v Kai Zhou | W | 2-3 |
| WTT Feeder Dusseldorf III | 2023/11/30 12:10 | Kai Zhou v Beixun Zeng | W | 3-1 |
| WTT Feeder Dusseldorf III | 2023/11/30 12:10 | Kai Zhou v Beixun Zeng | W | 3-1 |
| WTT Feeder Dusseldorf III | 2023/11/29 16:40 | Martin Allegro v Kai Zhou | W | 2-3 |
| WTT Feeder Dusseldorf III | 2023/11/29 13:10 | Kai Zhou v Yew En Koen Pang | W | 3-0 |
| WTT Feeder Gaia | 2023/11/24 13:40 | Marcos Freitas v Kai Zhou | L | 3-1 |
| WTT Feeder Gaia | 2023/11/23 19:40 | Kai Zhou v Robert Gardos | W | 3-0 |
| WTT Feeder Dusseldorf III | 2023/12/01 10:10 | Kai Zhou v Steffen Mengel | W | 1-3 |
| WTT Feeder Dusseldorf III | 2023/11/30 17:40 | Jaehyun An v Steffen Mengel | W | 1-3 |
| WTT Feeder Dusseldorf III | 2023/11/30 12:10 | Steffen Mengel v Alvaro Robles | W | 3-1 |
| WTT Feeder Dusseldorf III | 2023/11/30 12:00 | Steffen Mengel v Alvaro Robles | W | 3-1 |
| WTT Feeder Dusseldorf III | 2023/11/29 16:35 | Yaroslav Zhmudenko v Steffen Mengel | W | 1-3 |
| WTT Feeder Dusseldorf III | 2023/11/29 12:25 | Santiago Lorenzo v Steffen Mengel | W | 2-3 |
| WTT Feeder Gaia | 2023/11/25 17:45 | Steffen Mengel v Jaehyun An | W | 3-1 |
| WTT Feeder Gaia | 2023/11/25 11:10 | Marcos Freitas v Steffen Mengel | W | 1-3 |