| Indonesia Masters XD | 04/25 16:15 | 5 | Seidel / Efler v Christiansen M / Thygesen S | L | 0-2 | |
| Indonesia Masters XD | 12/09 16:55 | - | Seidel / Efler v Seinen C / Tabeling I | L | 1-2 | |
| Indonesia Masters XD | 12/08 09:17 | - | Seidel / Efler v Corvee J / Tran A | W | 2-0 | |
| Indonesia Masters XD | 11/24 12:40 | 5 | Seidel / Efler v Mittelheiss. / Lefel | L | 0-2 | |
| Open de France - Doubles Mixtes | 10/26 07:00 | 5 | Seinen C / Tabeling I v Seidel / Efler | L | 2-1 | |
| Denmark Open XD | 10/18 18:30 | 5 | Seidel / Efler v Kim D / Yoo Y S | L | 0-2 | |
| Open d'Angleterre | 09/27 04:50 | 5 | Chung E S / Yoo H W v Seidel / Efler | L | 2-0 | |
| Open d'Angleterre | 09/21 01:45 | 5 | Seidel / Efler v Fischer Nielsen J / Pedersen C | - | Retired |