| Malaysia Masters MD | 07/07 04:20 | 4 | Lamsfuss/Seidel v Lu/Yang | L | 1-2 | |
| Malaysia Masters MD | 07/05 08:00 | 5 | Lamsfuss/Seidel v Kang/Seo | W | 2-0 | |
| Malaysia Open MD | 06/30 06:00 | 5 | Alfian/Ardianto v Lamsfuss/Seidel | L | 2-1 | |
| Malaysia Open MD | 06/28 06:20 | 5 | Lamsfuss/Seidel v Magee/Reynolds | W | 2-1 | |
| Indonesia Open MD | 06/14 07:40 | 5 | Koga/Saito v Lamsfuss/Seidel | L | 2-0 | |
| Thomas Cup MD | 05/11 07:20 | - | Lamsfuss/Seidel v Dong/Yakura | W | 2-0 | |
| European Championships MD | 04/30 09:20 | - | Dunn/Hall v Lamsfuss/Seidel | W | 0-2 | |
| European Championships MD | 04/29 15:00 | - | Lane/Vendy v Lamsfuss/Seidel | W | 0-2 | |
| European Championships MD | 04/28 14:10 | - | Delrue/Villeger v Lamsfuss/Seidel | W | 0-2 | |
| European Championships MD | 04/27 13:00 | - | Easton/Russ v Lamsfuss/Seidel | W | 0-2 | |
| Swiss Open MD | 03/25 13:20 | - | Lamsfuss/Seidel v Chia/Soh | L | 0-2 | |
| Swiss Open MD | 03/24 16:50 | - | Delrue/Villeger v Lamsfuss/Seidel | W | 1-2 | |
| Swiss Open MD | 03/23 14:00 | - | Adam/Maio v Lamsfuss/Seidel | W | 0-2 | |
| All England Open MD | 03/17 13:20 | 4 | Rankireddy/Shetty v Lamsfuss/Seidel | L | 2-0 | |
| All England Open MD | 03/16 12:55 | 5 | Lamsfuss/Seidel v Garaga/Panjala | W | 2-0 | |
| German Open MD | 03/10 12:40 | 4 | Lamsfuss/Seidel v Matsui/Takeuchi | L | 1-2 | |
| German Open MD | 03/09 14:20 | 5 | Lamsfuss/Seidel v Corvee/Labar | W | 2-0 | |
| World Championships MD | 12/17 14:00 | - | Astrup/Rasmussen v Lamsfuss/Seidel | L | 2-1 | |
| World Championships MD | 12/16 17:30 | - | Lamsfuss/Seidel v Flaatten/Rikheim | W | 2-0 | |
| World Championships MD | 12/16 08:00 | - | Lamsfuss/Seidel v Flaatten/Rikheim | D |
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| World Championships MD | 12/15 09:00 | 6 | Monroy/Piris v Lamsfuss/Seidel | W | 0-2 | |
| Indonesia Open MD | 11/23 06:25 | - | Chia/Soh v Lamsfuss/Seidel | L | 2-0 | |
| Indonesia Masters MD | 11/17 09:50 | 5 | Lamsfuss/Seidel v Koga/Saito | - | Retired | |
| Hylo Open MD | 11/02 16:10 | - | Lamsfuss/Seidel v Grimley/Grimley | L | 0-2 | |
| French Open MD | 10/28 17:00 | - | Fernaldi Gideon/Sukamuljo v Lamsfuss/Seidel | L | 2-0 | |
| French Open MD | 10/26 08:50 | 5 | Lamsfuss/Seidel v Tan/Tan | W | 2-0 | |
| Denmark Open MD | 10/23 09:20 | - | Hoki/Kobayashi v Lamsfuss/Seidel | L | 2-1 | |
| Denmark Open MD | 10/22 15:30 | - | Ong/Teo v Lamsfuss/Seidel | W | 0-2 | |
| Denmark Open MD | 10/21 15:00 | - | Lee/Yang v Lamsfuss/Seidel | W | 0-2 | |
| Denmark Open MD | 10/20 09:00 | 5 | Lamsfuss/Seidel v Ahsan/Setiawan | W | 2-0 |