| Swiss Open XD | 03/22 15:15 | 5 | Stern/Mueller v Chen/Toh | L | 0-2 | |
| Dutch Open XD | 10/13 07:00 | - | Mueller/Stern v Van Wijlick/De Wit | L | 1-2 | |
| Nouvelle-Aquitaine Int. XD | 08/27 10:00 | - | Mueller/Stern v Axelsson/Silvennoinen | L | 0-2 | |
| European Championships XD | 04/26 07:00 | 5 | Smilowski/Adamek v Mueller/Stern | L | 2-1 | |
| Orleans Masters XD Qual | 03/29 10:00 | - | Lwi/Low v Mueller/Stern | L | 2-1 | |
| Polish Open XD | 03/25 08:00 | - | Yuan/Lee v Mueller/Stern | L | 2-1 | |
| Portugal Int. XD | 03/11 14:10 | - | Cybulski/Marczak v Mueller/Stern | L | 2-1 | |
| Italian Int. XD | 12/18 08:00 | - | Stern/Mueller v Boiarun/Barinov | L | 1-2 | |
| Italian Int. XD | 12/17 10:40 | - | Mueller/Stern v Stokfisz/Wladzinska | W | 2-0 | |
| Dutch Open XD | 10/13 18:55 | - | Mueller/Stern v Bugtrup/Bergstein | L | 0-2 | |
| Hellas Int. XD | 09/03 13:25 | - | Yap/Siow v Mueller/Stern | L | 2-0 | |
| Hellas Int. XD | 09/03 06:00 | - | Mueller/Stern v Tores/Vercelot | W | 2-0 | |
| Latvia Int. XD | 08/28 07:00 | - | Mueller/Stern v Azman/Low | L | 0-2 | |
| Latvia Int. XD | 08/27 10:00 | - | Mueller/Stern v Xu/Christensen | W | 2-0 | |
| Denmark Masters XD | 08/06 07:00 | - | Ivancic/Polanc v Mueller/Stern | L | 2-1 | |
| Spain Int XD | 06/18 13:00 | - | Mueller/Stern v Birker/Hochmeir | L | 1-2 | |
| Spain Int XD | 06/18 07:45 | - | Mueller/Stern v Van Wijlick/De Wit | W | 2-0 | |
| Spain Int XD | 06/17 11:40 | - | Mueller/Stern v Magee/Boyle | W | 2-1 | |
| Polish Open XD | 03/28 08:00 | 1 | Choong/Toh v Mueller/Stern | L | 2-0 | |
| Polish Open XD | 03/27 16:00 | 2 | Mueller/Stern v Kargaev/Vorobeva | W | 2-1 | |
| Polish Open XD | 03/27 08:20 | 3 | Z-Bexell/Sjoo v Mueller/Stern | W | 0-2 | |
| Polish Open XD | 03/26 14:40 | 4 | Muller/Stern v Szerecz/Gonda | W | 2-0 | |
| Polish Open XD | 03/26 08:20 | 5 | Mueller/Stern v Holub/Basova | W | 2-0 |