| Hellas Int. Qual | 2019/05/03 06:00 | Christopher Klauer v Yazgan Calisir | W | 2-1 |
| Hellas Int. Qual | 2019/05/02 14:30 | Christopher Klauer v Stamatis Tsigirdakis | W | 2-1 |
| Hellas Int. Qual | 2019/05/02 11:30 | Christopher Klauer v Batuhan Yilmaz | W | 2-0 |
| Dutch Int. Qual | 2019/04/11 18:00 | Sebastian Bugtrup v Christopher Klauer | L | 2-0 |
| Swiss Open WD Qual | 2019/03/07 10:10 | Christopher Klauer v Gergo Pytel | L | 0-2 |
| Swiss Open WD Qual | 2019/01/10 09:00 | Valentin Singer v Christopher Klauer | L | 2-0 |
| Lithuanian Int. Qual | 2019/06/07 06:30 | Mark Sames v Vegard Rikheim | L | 1-2 |
| Lithuanian Int. Qual | 2019/06/06 15:00 | Roman Altunyan v Mark Sames | W | 0-2 |
| Sudirman Cup | 2019/05/24 11:20 | Ratnajit Tamang v Mark Sames | L | 2-0 |
| Sudirman Cup | 2019/05/22 11:00 | Milan Dratva v Mark Sames | L | 2-0 |
| Sudirman Cup | 2019/05/21 11:00 | Dinuka Karunaratna v Mark Sames | L | 2-0 |
| Sudirman Cup | 2019/05/20 04:00 | Tobias Kuenzi v Mark Sames | W | 1-2 |