| Swiss Open WD Qual | 2017/10/24 14:40 | Kai Schaefer v Thomas Rouxel | W | 0-2 |
| Dutch Open | 2017/10/11 08:00 | Thomas Rouxel v Kai Schaefer | L | 0-2 |
| Giraldilla Int. XD | 2017/04/07 07:40 | Thomas Rouxel v Kai Schaefer | W | 2-0 |
| World Championships | 2021/12/14 11:00 | Thomas Rouxel v Brian Yang | L | 0-2 |
| Indonesia Open | 2021/11/23 06:40 | Thomas Rouxel v Kenta Nishimoto | L | 0-2 |
| Indonesia Masters | 2021/11/16 09:30 | Tien Chen Chou v Thomas Rouxel | L | 2-0 |
| Hylo Open | 2021/11/02 12:05 | Lakshya Sen v Thomas Rouxel | L | 2-0 |
| French Open | 2021/10/28 11:20 | Cheuk Yiu Lee v Thomas Rouxel | L | 2-0 |
| French Open | 2021/10/26 11:20 | Kantaphon Wangcharoen v Thomas Rouxel | W | 1-2 |
| Denmark Open | 2021/10/21 11:20 | Thomas Rouxel v Tommy Sugiarto | L | 1-2 |
| Denmark Masters | 2021/08/06 09:20 | Chirag Sen v Thomas Rouxel | L | 2-1 |
| World Championships | 2021/12/15 12:00 | Kai Schaefer v Kantaphon Wangcharoen | L | 0-2 |
| Belgian Int. | 2021/10/28 08:30 | Ade Resky Dwicahyo v Kai Schaefer | L | 2-1 |
| Olympics 2020 - Men | 2021/07/27 01:40 | Toby Penty v Kai Schaefer | L | 2-0 |
| Olympics 2020 - Men | 2021/07/25 11:00 | Kantaphon Wangcharoen v Kai Schaefer | L | 2-0 |
| Spain Int | 2021/06/17 15:00 | Ivan Rusev v Kai Schaefer | L | 2-0 |
| Spain Masters | 2021/05/19 11:20 | Kai Schaefer v Lucas Claerbout | L | 1-2 |
| Portuguese Int. | 2021/05/07 14:30 | Kai Schaefer v Johnnie Torjussen | L | 0-2 |
| European Championships | 2021/04/28 12:20 | Kai Schaefer v Anders Antonsen | L | 0-2 |