| Orleans Masters Qual | 2023/04/04 12:15 | Joran Kweekel v Lei, L. X. | W | 1-2 |
| Orleans Masters Qual | 2023/04/04 08:55 | Lei, L. X. v Jonathan Matias | W | 2-0 |
| Indonesia Masters | 2022/10/20 07:00 | Chia Hao Lee v Lei, L. X. | L | 2-1 |
| Indonesia Masters | 2022/10/19 06:40 | Joo Wan Kim v Lei, L. X. | W | 0-2 |
| Indonesia Masters | 2022/10/18 11:00 | Lei, L. X. v Siddharth Pratap Singh | W | 2-0 |
| Asia Championships | 2022/04/27 07:00 | Lei, L. X. v Kanta Tsuneyama | L | 1-2 |
| Malaysia Int. | 2019/11/14 12:45 | Lei, L. X. v Shimono, Hashiru | L | 1-2 |
| Malaysia Int. | 2019/11/13 13:10 | Joo Ven Soong v Lei, L. X. | W | 0-2 |
| Masters d'Espagne - Qualif. | 2023/03/28 08:40 | Christian Adinata v Kai Schaefer | L | 2-0 |
| Open de Pologne | 2023/03/25 10:00 | Julien Carraggi v Kai Schaefer | L | 2-1 |
| Open de Pologne | 2023/03/24 13:30 | Danylo Bosniuk v Kai Schaefer | W | 0-2 |
| Open d'Allemagne - Qualif. | 2023/03/07 10:45 | Magnus Johannesen v Kai Schaefer | L | 2-0 |
| Open d'Allemagne - Qualif. | 2023/03/07 08:20 | Kai Schaefer v Webster, Raymond | W | 2-0 |
| Uganda Int. | 2023/02/25 07:00 | Zhen Yi Ong v Kai Schaefer | L | 2-1 |
| Uganda Int. | 2023/02/23 08:30 | Youcef Sabri Medel v Kai Schaefer | W | 0-2 |
| Euro Mixed Team Champs | 2023/02/16 15:00 | Kai Schaefer v Christo Popov | L | 0-2 |