| Open de Suisse - Doubles Femmes - Qualif. | 2019/03/12 11:00 | Kai Schaefer v Burestedt, Felix | L | 1-2 |
| Giraldilla Int. XD | 2017/01/13 16:40 | Burestedt, Felix v Kai Schaefer | W | 0-2 |
| Kharkiv International 2019, MS | 2019/09/06 07:30 | Heino, Eetu v Kai Schaefer | L | 2-0 |
| World Championships | 2019/08/19 08:40 | Lu, G. Z. v Kai Schaefer | L | 2-0 |
| US Open 2019, MS | 2019/07/10 23:30 | Kai Schaefer v Xiaodong Sheng | L | 0-2 |
| Canada Open | 2019/07/03 20:20 | Kai Schaefer v Lucas Claerbout | L | 0-2 |
| Spanish Int. | 2019/06/14 08:00 | Kai Schaefer v Toby Penty | L | 0-2 |
| Spanish Int. | 2019/06/13 12:45 | Luis Enrique Penalver v Kai Schaefer | W | 0-2 |
| Azerbaïdjan Int. | 2019/06/08 14:00 | Rasmus Gemke v Kai Schaefer | L | 2-1 |
| Azerbaïdjan Int. | 2019/06/08 07:30 | Luis Enrique Penalver v Kai Schaefer | W | 0-2 |
| World Championships | 2019/08/21 08:40 | Burestedt, Felix v Ka Long Angus NG | L | 0-2 |
| World Championships | 2019/08/19 16:10 | Burestedt, Felix v Mendrek, Adam | W | 2-0 |
| European Games | 2019/06/27 09:50 | Pablo Abian v Burestedt, Felix | W | 1-2 |
| European Games | 2019/06/26 17:00 | Toby Penty v Burestedt, Felix | L | 2-0 |
| European Games | 2019/06/25 17:15 | Ludik, Milan v Burestedt, Felix | W | 1-2 |
| Spanish Int. | 2019/06/13 12:00 | Svendsen, Victor v Burestedt, Felix | L | 2-0 |
| Azerbaïdjan Int. | 2019/06/09 13:00 | Rasmus Gemke v Burestedt, Felix | L | 2-0 |
| Azerbaïdjan Int. | 2019/06/09 07:00 | Kalle Koljonen v Burestedt, Felix | W | 1-2 |