| Giraldilla Int. XD | 2018/02/21 09:20 | Kantaphon Wangcharoen v Kai Schaefer | W | 2-0 |
| All England Open | 2021/03/17 16:40 | Lakshya Sen v Kantaphon Wangcharoen | L | 2-0 |
| Swiss Open | 2021/03/05 15:20 | Srikanth Kidambi v Kantaphon Wangcharoen | L | 2-0 |
| Swiss Open | 2021/03/04 09:35 | Kantaphon Wangcharoen v Mark Caljouw | W | 2-0 |
| Swiss Open | 2021/03/03 09:00 | Kantaphon Wangcharoen v Daren Liew | W | 2-0 |
| Thailand Open | 2021/01/20 02:00 | Kantaphon Wangcharoen v Ka Long Angus NG | L | 0-2 |
| Thailand Open | 2021/01/14 04:00 | Viktor Axelsen v Kantaphon Wangcharoen | L | 2-0 |
| Thailand Open | 2021/01/12 04:30 | Kantaphon Wangcharoen v Sai Praneeth B. | W | 2-0 |
| All England Open | 2020/03/11 09:20 | Guangzu Lu v Kantaphon Wangcharoen | L | 2-0 |
| Spain International | 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 |
| EM | 2021/04/28 12:20 | Kai Schaefer v Anders Antonsen | L | 0-2 |
| Orleans Masters | 2021/03/25 11:30 | Kai Schaefer v Ditlev Jaeger Holm | L | 0-2 |
| Orleans Masters | 2021/03/24 17:10 | Mithun Manjunath v Kai Schaefer | W | 1-2 |
| SaarLorLux Open | 2020/10/27 11:15 | Kai Schaefer v Lucas Corvee | L | 0-2 |
| Denmark Open | 2020/10/13 10:10 | Kai Schaefer v Brice Leverdez | L | 0-2 |