| US Open XD | 06/14 21:00 | 4 | Seidel/Efler v Kaesbauer/Konon | W | 2-0 | |
| US Open XD | 06/13 01:40 | 5 | Seidel/Efler v Chew/Lee | W | 2-0 | |
| Indonesia Masters XD | 04/27 17:30 | 3 | Seidel/Efler v Ellis/Smith | L | 0-2 | |
| Indonesia Masters XD | 04/26 09:20 | 4 | Kaisti/Nystrom v Seidel/Efler | W | 1-2 | |
| Indonesia Masters XD | 04/24 09:30 | 5 | Pochtarov/Voytsekh v Seidel/Efler | W | 0-2 | |
| Giraldilla Int. XD | 03/30 15:00 | 3 | Seidel/Efler v Nohr/Thygesen | L | 0-2 | |
| Giraldilla Int. XD | 03/29 10:10 | 4 | Seidel/Efler v Zurwonne/Janssens | W | 2-0 | |
| Giraldilla Int. XD | 03/28 08:30 | 5 | Seidel/Efler v Riyanto/Sugiarto | W | 2-0 | |
| All England Open | 03/14 14:40 | 5 | Chopra/Reddy v Seidel/Efler | L | 2-0 | |
| Indonesia Masters XD | 03/06 17:30 | 5 | Seidel/Efler v Ellis/Smith | L | 0-2 | |
| Swiss Open XD | 02/23 17:40 | 3 | Ellis/Smith v Seidel/Efler | L | 2-0 | |
| Swiss Open XD | 02/22 19:00 | 4 | Kersaudy/Palermo v Seidel/Efler | W | 1-2 | |
| Swiss Open XD | 02/20 18:00 | 5 | Hoo/Peck v Seidel/Efler | W | 0-2 | |
| All England Open | 11/23 07:30 | 4 | Seidel/Efler v Wang/Huang | L | 0-2 | |
| All England Open | 11/21 11:40 | 5 | Seidel/Efler v Lee/Ching Hsu | W | 2-0 | |
| All England Open | 11/15 06:30 | 5 | Efler/Seidel v Wang/Xu | L | 1-2 | |
| Indonesia Masters XD | 11/03 10:55 | 3 | He/Du v Seidel/Efler | L | 2-1 | |
| Indonesia Masters XD | 11/02 18:00 | 4 | Labar/Fontaine v Seidel/Efler | W | 1-2 | |
| Indonesia Masters XD | 11/02 09:00 | 5 | Mikkelsen/Surrow v Seidel/Efler | W | 0-2 | |
| French Open XD | 10/24 19:15 | 5 | Christiansen/Pedersen v Seidel/Efler | L | 2-0 | |
| Denmark Open XD | 10/17 17:00 | 5 | Wang/Huang v Seidel/Efler | L | 2-0 | |
| All England Open | 09/19 11:10 | - | Kurihara/Kazuno v Seidel/Efler | L | 2-0 | |
| All England Open | 09/19 10:15 | 5 | Kazuno/Kurihara v Seidel/Efler | L | 2-0 | |
| All England Open | 09/16 02:10 | 2 | Seidel/Efler v Jordan/Susanto | L | 0-2 | |
| All England Open | 09/15 05:10 | 3 | Seidel/Efler v Goh/Lai | W | 2-1 | |
| All England Open | 09/14 03:00 | 4 | Seidel/Efler v Kazuno/Kurihara | W | 2-0 | |
| All England Open | 09/12 10:50 | 5 | Seidel/Efler v Hwan Kim/Lee | W | 2-0 | |
| Indonesia Masters XD | 06/02 08:00 | 3 | Seidel/Efler v He/Du | L | 0-2 | |
| Indonesia Masters XD | 06/01 09:30 | 4 | Seidel/Efler v Isriyanet/Chochuwong | W | 2-1 | |
| Indonesia Masters XD | 05/31 03:10 | 5 | Anhar/Hanadia v Seidel/Efler | W | 1-2 |