| Polish Int. | 2018/09/22 12:00 | Rasmus Messerschmidt v Kai Schaefer | L | 0-2 |
| Denmark Masters | 2021/08/06 07:20 | Christo Popov v Rasmus Messerschmidt | L | 2-0 |
| Austrian Open | 2021/05/29 16:00 | Ihsan Maulana Mustofa v Rasmus Messerschmidt | L | 2-1 |
| Austrian Open | 2021/05/29 09:00 | Rasmus Messerschmidt v Jeppe Bruun Christensen | W | 2-0 |
| Austrian Open | 2021/05/28 13:40 | Rasmus Messerschmidt v Daniel Nikolov | W | 2-0 |
| Slovenia Int. | 2021/05/21 12:40 | Daniel Nikolov v Rasmus Messerschmidt | L | 2-1 |
| Slovenia Int. | 2021/05/21 09:00 | Rasmus Messerschmidt v Jan Louda | W | 2-0 |
| Slovenia Int. | 2021/05/20 11:00 | Milan Ludik v Rasmus Messerschmidt | W | 1-2 |
| Slovenia Int. | 2021/05/20 10:00 | Calle Fredholm v Rasmus Messerschmidt | W | 0-2 |
| 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 |
| 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 |