| French Open XD | 2018/10/25 12:10 | Seidel/Efler v Hoki/Nagahara | L | 1-2 |
| All England Open | 2018/10/18 12:48 | Christiansen/Pedersen v Seidel/Efler | L | 2-0 |
| Denmark Open XD | 2018/10/18 09:20 | Christiansen/Pedersen v Seidel/Efler | L | 2-0 |
| Denmark Open XD | 2018/10/17 10:40 | Seidel/Efler v Magee/Magee | W | 2-0 |
| Indonesia Masters XD | 2018/09/25 07:40 | Seidel/Efler v Kim/Baek | L | 1-2 |
| All England Open | 2018/09/18 10:45 | Chopra/Reddy v Seidel/Efler | L | 2-0 |
| All England Open | 2018/09/11 08:30 | Seidel/Efler v Wang/Lee | L | 0-2 |
| All England Open | 2018/07/31 09:30 | Seidel/Efler v Watanabe/Higashino | L | 0-2 |
| Giraldilla Int. XD | 2018/07/26 05:20 | Dremin/Dimova v Nikulov/Semenova | L | 2-1 |