| Indonesia Masters XD | 2018/04/24 09:00 | Nilsson, Jacob v Kai Schaefer | W | 2-0 |
| Open de Suède | 2022/01/21 10:20 | Milan Dratva v Nilsson, Jacob | W | 0-2 |
| Italian Int. | 2021/12/17 09:20 | Christensen, Jeppe Bruun v Nilsson, Jacob | L | 2-1 |
| Welsh Int | 2021/12/02 14:20 | Magnus Johannesen v Nilsson, Jacob | L | 2-0 |
| Scottish Open | 2021/11/25 20:50 | Nilsson, Jacob v Nikolov, Daniel | L | 1-2 |
| Scottish Open Qual | 2021/11/25 15:25 | Milan Dratva v Nilsson, Jacob | W | 0-1 |
| Hungarian Int. | 2021/11/05 10:30 | Rogalski, Michal v Nilsson, Jacob | L | 2-0 |
| Hungarian Int. | 2021/11/04 12:00 | Matthew Abela v Nilsson, Jacob | W | 0-2 |
| Czech Open | 2021/10/22 08:00 | Nilsson, Jacob v Karpov, Georgii | L | 1-2 |
| Open de Suède | 2022/01/21 10:20 | Christensen, Jeppe Bruun v Kai Schaefer | W | 0-2 |
| World Championships | 2021/12/15 12:00 | Kai Schaefer v Kantaphon Wangcharoen | L | 0-2 |
| Belgian International 2019, MS | 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 |
| Masters d'Espagne | 2021/05/19 11:20 | Kai Schaefer v Lucas Claerbout | L | 1-2 |
| Portuguese Int. | 2021/05/07 14:30 | Kai Schaefer v Torjussen, J. | L | 0-2 |