| VM | 2021/12/15 12:00 | Kai Schaefer v Kantaphon Wangcharoen | W | 0-2 |
| OS 2020 - Herrar | 2021/07/25 11:00 | Kantaphon Wangcharoen v Kai Schaefer | W | 2-0 |
| Giraldilla Int. - Mixed dubbel | 2018/02/21 09:20 | Kantaphon Wangcharoen v Kai Schaefer | W | 2-0 |
| Singapore Open | 2022/07/13 07:45 | Chun-Yi Lin v Kantaphon Wangcharoen | L | 2-1 |
| Malaysia Masters | 2022/07/07 05:00 | Chico Aura Dwi Wardoyo v Kantaphon Wangcharoen | L | 2-1 |
| Malaysia Masters | 2022/07/06 07:30 | Kantaphon Wangcharoen v Jun Hao Leong | W | 2-0 |
| Indonesia Open | 2022/06/15 04:20 | Kantaphon Wangcharoen v Jonatan Christie | L | 0-2 |
| Indonesia Masters | 2022/06/08 07:40 | Zii Jia Lee v Kantaphon Wangcharoen | L | 2-0 |
| Thailand Open | 2022/05/19 08:20 | Kantaphon Wangcharoen v Junpeng Zhao | L | 0-2 |
| Thailand Open | 2022/05/18 04:40 | Sai Praneeth B. v Kantaphon Wangcharoen | W | 0-2 |
| Thomas Cup | 2022/05/09 12:40 | Jonatan Christie v Kantaphon Wangcharoen | L | 2-0 |
| Singapore Open - Kval | 2022/07/12 03:40 | Kai Schaefer v Hongyang Weng | L | 0-2 |
| Singapore Open - Kval | 2022/07/12 01:20 | Kai Schaefer v Kalle Koljonen | W | 2-0 |
| Malaysia Masters - Kval | 2022/07/05 02:00 | Hongyang Weng v Kai Schaefer | L | 2-0 |
| Nantes Int. | 2022/06/24 07:00 | Seng Zoe Yeoh v Kai Schaefer | L | 2-0 |
| Thailand Open | 2022/05/19 07:40 | Kai Schaefer v Zii Jia Lee | L | 0-2 |
| Thailand Open | 2022/05/18 10:00 | Thomas Rouxel v Kai Schaefer | W | 0-2 |
| Thomas Cup | 2022/05/11 07:40 | Kai Schaefer v Jason Anthony Ho-Shue | W | 2-0 |
| Thomas Cup | 2022/05/09 07:40 | Tzu Wei Wang v Kai Schaefer | L | 2-1 |