| Dutch Open WD | 2019/10/10 14:50 | Hobara S / Sone N v Karlsson E / Magnusson J | W | 2-0 |
| Vietnam Open WD | 2019/09/12 05:20 | Korepap C / Sudjaipraparat K v Hobara S / Sone N | L | 2-0 |
| Vietnam Open WD | 2019/09/11 11:50 | Hobara S / Sone N v Lefel E / Tran A | W | 2-1 |
| Akita Masters 2019, WD | 2019/08/16 04:40 | Hobara S / Sone N v Chen/Zhang | L | 0-2 |
| Akita Masters 2019, WD | 2019/08/15 03:10 | Honda E / Shimizu N v Hobara S / Sone N | W | 1-2 |
| Akita Masters 2019, WD | 2019/08/14 02:10 | Ozaki S / Watanabe A v Hobara S / Sone N | W | 0-2 |
| New Zealand Open 2019, WD | 2019/05/03 08:00 | Hobara S / Sone N v Matsutomo M / Takahashi A | L | 0-2 |
| New Zealand Open 2019, WD | 2019/05/02 06:00 | Chang/Yang v Hobara S / Sone N | W | 0-2 |
| Dutch Open WD | 2019/10/09 17:50 | Fankhauser N / Tabeling I v Efler L / Herttrich I | W | 0-2 |
| China Open 2018, Women Doubles | 2019/09/17 02:00 | Efler L / Herttrich I v Kim/Kong | L | 0-2 |
| Vietnam Open WD | 2019/09/13 12:40 | Efler L / Herttrich I v Huang J / Zhang S X | L | 1-2 |
| Vietnam Open WD | 2019/09/13 11:20 | Efler L / Herttrich I v Huang J / Zhang S X | L | 1-2 |
| Vietnam Open WD | 2019/09/12 08:00 | Efler L / Herttrich I v Saito N / Shinoya N | W | 2-0 |
| 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 |