| Singapore Smash - Duplas Mistas | 03/12 11:00 | 4 | Qiu/Mittelham v Gardos/Polcanova | L | 0-3 | |
| WTT - Star Contender - Goa - Duplas Mistas | 01/25 12:30 | 4 | Shin/Lim v Mittelham/Qiu | L | 3-0 | |
| WTT - Feeder - Düsseldorf III - Duplas Mistas | 11/30 16:00 | - | Mittelham/Qiu v He/Zhou | L | 2-3 | |
| WTT - Feeder - Düsseldorf III - Duplas Mistas | 11/30 09:00 | - | Mittelham/Qiu v Ho/Walker | W | 3-2 | |
| WTT - Feeder - Düsseldorf III - Duplas Mistas | 11/29 09:00 | 4 | Mittelham/Qiu v Chua/Ser | W | 3-0 | |
| WTT - Contender - Mascate - Duplas Mistas | 10/12 16:45 | 2 | Mittelham/Qiu v Chen/Lin | L | 1-3 | |
| WTT - Contender - Mascate - Duplas Mistas | 10/12 09:05 | 3 | Balazova/Pistej v Mittelham/Qiu | D | Walkover | |
| WTT - Contender - Mascate - Duplas Mistas | 10/11 06:40 | 4 | Mittelham/Qiu v Madarasz/Ecseki | W | 3-2 | |
| European Games XD | 06/26 17:50 | - | Ecseki/Madarasz v Qiu/Mittelham | W | 0-3 | |
| European Games XD | 06/25 12:30 | - | Mittelham/Qiu v Robles/Xiao | W | 3-1 | |
| European Games XD | 06/25 12:30 | - | Qiu/Mittelham v Robles/Yao | W | 3-1 | |
| European Games XD | 06/24 11:30 | - | Qiu/Mittelham v Gunduz/Altinkaya | W | 3-1 |