| World Tour Finals WD | 2021/01/29 04:20 | Kititharakul/Prajongjai v Efler L / Herttrich I | L | 2-0 |
| World Tour Finals WD | 2021/01/28 04:20 | Birch C / Smith L v Efler L / Herttrich I | L | 2-1 |
| World Tour Finals WD | 2021/01/27 04:20 | Kim/Kong v Efler L / Herttrich I | L | 2-1 |
| Open de Thaïlande - Doubles Femmes | 2021/01/21 05:30 | Efler L / Herttrich I v Kim/Kong | L | 0-2 |
| Open de Thaïlande - Doubles Femmes | 2021/01/20 04:50 | Ponnappa A / Reddy B S v Efler L / Herttrich I | W | 0-2 |
| Open de Thaïlande - Doubles Femmes | 2021/01/12 04:50 | Efler L / Herttrich I v Chalad. C / Muen. P | L | 0-2 |
| SaarLorLux Open 2019, WD | 2020/10/30 11:00 | Magelund A / Ravn F v Efler L / Herttrich I | L | 2-0 |
| SaarLorLux Open 2019, WD | 2020/10/29 09:00 | Heriau V / Lambert M v Efler L / Herttrich I | W | 0-2 |