| 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 |
| New Zealand Open 2019, WD | 2019/04/30 22:20 | Fukushima/Hirota v Efler L / Herttrich I | L | 2-0 |
| Open de Suisse - Doubles Femmes | 2019/03/14 14:10 | Matsuyama/Shida v Efler L / Herttrich I | L | 2-0 |
| Open de Suisse - Doubles Femmes | 2019/03/13 11:40 | Basova A / Fuchsova M v Efler L / Herttrich I | W | 0-2 |
| Open d'Allemagne - Doubles Femmes | 2019/02/27 16:25 | Efler L / Herttrich I v Stoeva/Stoeva | L | 0-2 |