| Giraldilla Int. XD | 2017/01/13 16:40 | Burestedt, Felix v Kai Schaefer | W | 0-2 |
| Masters d'Espagne | 2019/02/20 15:20 | Pablo Abian v Kai Schaefer | L | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/02/19 13:55 | Kim Bruun v Kai Schaefer | W | 1-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/02/19 11:00 | Kai Schaefer v Amaya, Bernat | W | 2-0 |
| Giraldilla Int. XD | 2019/02/16 10:30 | Kai Schaefer v Malkov, Vladimir | L | 1-2 |
| Giraldilla Int. XD | 2019/02/15 13:30 | Ouseph, Rajiv v Kai Schaefer | W | 0-2 |
| Giraldilla Int. XD | 2018/11/30 11:45 | Lane, Alex v Kai Schaefer | L | 2-0 |
| Giraldilla Int. XD | 2018/11/29 13:30 | Joran Kweekel v Kai Schaefer | W | 1-2 |
| Giraldilla Int. XD | 2018/11/23 11:20 | Mark Caljouw v Kai Schaefer | L | 2-0 |
| Giraldilla Int. XD | 2019/03/10 12:00 | Soo, Teck Zhi v Burestedt, Felix | W | 1-2 |
| Giraldilla Int. XD | 2019/03/09 16:00 | Ditlev Jaeger Holm v Burestedt, Felix | W | 0-2 |
| Giraldilla Int. XD | 2019/03/09 10:30 | Burestedt, Felix v Aram Mahmoud | W | 2-1 |
| Giraldilla Int. XD | 2019/03/08 17:15 | Durkinjak, Zvonimir v Burestedt, Felix | W | 1-2 |
| Giraldilla Int. XD | 2019/02/22 10:30 | Weng, H. Y. v Burestedt, Felix | L | 2-1 |
| Giraldilla Int. XD | 2019/02/21 15:00 | Jan Louda v Burestedt, Felix | W | 0-2 |
| Open de Suède | 2019/01/19 10:00 | Koga, Minoru v Burestedt, Felix | L | 2-1 |
| Open de Suède | 2019/01/18 18:00 | Burestedt, Felix v Adrian Dziolko | W | 2-1 |