| Vietnam Open WD | 2019/09/11 12:30 | Efler L / Herttrich I v Chen X / Zhou C | W | 2-1 |
| World Championships WD | 2019/08/21 08:40 | Efler L / Herttrich I v Li/Zheng | L | 0-2 |
| World Championships WD | 2019/08/20 16:10 | Marran K K / Ruutel H v Efler L / Herttrich I | W | 0-2 |
| Thailand Open WD Qual | 2019/07/30 06:00 | Efler L / Herttrich I v Chen/Yu | L | 1-2 |
| Indonesia Open WD | 2019/07/16 02:40 | Matsutomo M / Takahashi A v Efler L / Herttrich I | L | 2-0 |
| US Open 2019, WD | 2019/07/10 16:45 | Efler L / Herttrich I v Baek H N / Jung K E | L | 0-2 |
| Azerbaïdjan Int.- Double Femmes | 2019/06/07 14:00 | Balan A / Sawant P v Efler L / Herttrich I | L | 2-0 |
| Sudirman Cup WD | 2019/05/20 11:30 | Efler L / Herttrich I v Jin Y / Lim M H | W | 2-0 |
| Vietnam Open WD | 2019/09/11 13:00 | Li Z Q / Teng C H v Saito N / Shinoya N | W | 0-2 |