| Spain Masters XD | 02/19 15:40 | 5 | Seidel/Efler v Wang/Cheng | L | 0-2 | |
| Giraldilla Int. XD | 02/14 13:00 | - | Bolotova/Ivanov v Efler/Seidel | L | 2-0 | |
| Giraldilla Int. XD | 02/13 15:00 | - | Magee/Magee v Efler/Seidel | W | 0-2 | |
| Indonesia Masters XD | 01/22 13:00 | 5 | Seidel/Efler v Goh/Lai | L | 1-2 | |
| Indonesia Masters XD | 01/15 08:30 | 5 | Chae/Seo v Seidel/Efler | L | 2-1 | |
| Giraldilla Int. XD | 11/23 10:40 | 4 | Seidel/Efler v Wolfenden/Moore | L | 0-2 | |
| Giraldilla Int. XD | 11/22 10:00 | 5 | Seidel/Efler v Zinchenko/Morozova | W | 2-0 | |
| Giraldilla Int. XD | 11/03 17:00 | 2 | Ellis/Smith v Seidel/Efler | L | 2-0 | |
| Giraldilla Int. XD | 11/02 15:20 | 3 | Seidel/Efler v Smilowski/Swierczynska | - | Walkover | |
| Giraldilla Int. XD | 11/01 18:35 | 4 | Seidel/Efler v Konder/Holenz | W | 2-0 | |
| Giraldilla Int. XD | 10/30 15:00 | 5 | Seidel/Efler v Nikulov/Semenova | W | 2-0 | |
| French Open XD | 10/25 12:10 | 4 | Seidel/Efler v Hoki/Nagahara | L | 1-2 | |
| French Open XD | 10/23 10:20 | 5 | He/Du v Seidel/Efler | - | Retired | |
| All England Open | 10/18 12:48 | - | Christiansen/Pedersen v Seidel/Efler | L | 2-0 | |
| Denmark Open XD | 10/18 09:20 | 4 | Christiansen/Pedersen v Seidel/Efler | L | 2-0 | |
| Denmark Open XD | 10/17 10:40 | 5 | Seidel/Efler v Magee/Magee | W | 2-0 | |
| Indonesia Masters XD | 09/25 07:40 | 5 | Seidel/Efler v Kim/Baek | L | 1-2 | |
| All England Open | 09/18 10:45 | 5 | Chopra/N. Sikki v Seidel/Efler | L | 2-0 | |
| All England Open | 09/11 08:30 | 5 | Seidel/Efler v Wang/Lee | L | 0-2 | |
| All England Open | 07/31 09:30 | 5 | Seidel/Efler v Watanabe/Higashino | L | 0-2 | |
| All England Open | 07/30 02:00 | 6 | Efler/Seidel v Pugh/Lane | W | 2-0 | |
| Indonesia Masters XD | 07/19 07:30 | 4 | Seidel/Efler v Cahyono/Kandow | L | 1-2 | |
| Indonesia Masters XD | 07/17 07:40 | 5 | Seidel/Efler v Ronald/Saufika | W | 2-1 | |
| Canada Open XD | 06/23 21:00 | 2 | Ellis/Smith v Seidel/Efler | L | 2-0 | |
| Canada Open XD | 06/22 21:00 | 3 | Seidel/Efler v Tabeling/Seinen | W | 2-0 | |
| Canada Open XD | 06/21 23:00 | 4 | Seidel/Efler v Gondo/Kurihara | W | 2-1 | |
| Canada Open XD | 06/20 15:00 | 5 | Seidel/Efler v Yakura/Tsai | W | 2-0 | |
| US Open XD | 06/17 21:30 | 1 | Seidel/Efler v Chan/Goh | L | 0-2 | |
| US Open XD | 06/16 20:15 | 2 | Lane/Pugh v Seidel/Efler | W | 0-2 | |
| US Open XD | 06/16 00:20 | 3 | Seidel/Efler v Jansen/Nelte | W | 2-1 |