| WTT Contender - Tunis - Kvalifikation | 2022/08/02 11:00 | Chien-An Chen v Esteban Dorr | W | 3-1 |
| WTT Contender - Tunis | 2022/08/01 14:30 | Felix Lebrun v Chien-An Chen | W | 2-3 |
| WTT Feeder - Budapest | 2022/07/20 11:10 | Hiroto Shinozuka v Chien-An Chen | L | 3-2 |
| WTT Feeder - Budapest | 2022/07/19 16:30 | Chien-An Chen v Csaba Andras | W | 4-1 |
| WTT Contender - Lima | 2022/06/17 20:05 | Chien-An Chen v Dimitrij Ovtcharov | L | 1-3 |
| WTT Contender - Lima | 2022/06/16 22:30 | Tomas Polansky v Chien-An Chen | W | 0-3 |
| WTT Contender - Lima - Kvalifikation | 2022/06/15 22:30 | Chien-An Chen v Samuel Walker | W | 3-1 |
| WTT Contender - Lima - Kvalifikation | 2022/06/15 16:30 | Chien-An Chen v Martin Bentancor | W | 3-0 |
| WTT Contender - Tunis - Kvalifikation | 2022/08/02 11:00 | Steffen Mengel v Eric Glod | W | 3-0 |
| WTT Contender - Tunis | 2022/08/01 14:30 | Minha Hwang v Steffen Mengel | W | 1-3 |
| WTT Feeder Düsseldorf | 2021/12/09 17:15 | Steffen Mengel v Benedikt Duda | L | 2-3 |
| WTT Contender Novo Mesto | 2021/11/10 12:40 | Can Akkuzu v Steffen Mengel | L | 3-1 |
| WTT Contender Novo Mesto | 2021/11/09 17:00 | Nicholas Lum v Steffen Mengel | W | 0-3 |
| WTT Contender Novo Mesto | 2021/11/09 08:00 | Soumyajit Ghosh v Steffen Mengel | W | 0-3 |
| WTT Contender Lasko | 2021/11/05 13:55 | Chuqin Wang v Steffen Mengel | L | 3-0 |
| WTT Contender Lasko | 2021/11/04 19:10 | Steffen Mengel v Olav Kosolosky | W | 3-0 |