| SaarLorLux Open XD | 2019/10/29 16:20 | Kaesbauer/Kaepplein v Villeger/Bauer | W | 2-1 |
| SaarLorLux Open XD | 2019/10/29 16:20 | Mairs/Williams v Seidel/Efler | W | 0-2 |
| Open de França Duplas Mistas | 2019/10/23 08:10 | Hoki/Nagahara v Seidel/Efler | L | 2-1 |
| Open da Dinamarca - Duplas Mistas | 2019/10/16 07:40 | Chopra/Reddy v Seidel/Efler | L | 2-0 |
| Open da Holanda - Duplas Mistas | 2019/10/08 16:20 | Ren/Zhou v Seidel/Efler | L | 2-1 |
| Open da China - Duplas Mistas | 2019/09/19 04:30 | Zheng/Huang v Seidel/Efler | L | 2-0 |
| Open da China - Duplas Mistas | 2019/09/17 07:15 | Delrue/Gicquel v Seidel/Efler | W | 0-2 |
| Open do Vietname - Duplas Mistas | 2019/09/13 10:00 | Miyaura/Urai v Seidel/Efler | L | 2-1 |
| Open do Vietname - Duplas Mistas | 2019/09/12 06:00 | Chen/Zhou v Seidel/Efler | W | 0-2 |