| New Zealand Open 2019, WD | 2019/05/02 06:00 | Chang/Yang v Hobara S / Sone N | W | 0-2 |
| New Zealand Open 2019, WD | 2019/05/01 06:00 | Wang V / Zhou C v Hobara S / Sone N | W | 0-2 |
| Osaka Int. WD | 2019/04/07 03:00 | Kawashima R / Ozaki S v Hobara S / Sone N | W | 1-2 |
| Osaka Int. WD | 2019/04/06 03:30 | Kashihara M / Kato M v Hobara S / Sone N | W | 1-2 |
| Open de Suisse - Doubles Femmes | 2019/03/13 13:10 | Li/Zheng v Hobara S / Sone N | L | 2-0 |
| Giraldilla Int. XD | 2019/02/23 11:40 | Hobara S / Sone N v Liu / Xia | L | 0-2 |
| Giraldilla Int. XD | 2019/02/22 18:00 | Karlsson E / Magnusson J v Hobara S / Sone N | W | 0-2 |
| Giraldilla Int. XD | 2019/02/21 15:30 | Hobara S / Sone N v Komendrovskaja E / Shegurova M | W | 2-0 |
| New Zealand Open 2019, WD | 2019/05/02 04:00 | Haris D D / Pradipta R A v Matsutomo M / Takahashi A | W | 0-2 |
| New Zealand Open 2019, WD | 2019/05/01 07:20 | Mapasa S / Somerville G v Matsutomo M / Takahashi A | W | 0-2 |
| Asia Championships WD | 2019/04/24 07:20 | Dong W / Feng X v Matsutomo M / Takahashi A | L | 2-0 |
| Singapore Open - Double Femmes | 2019/04/11 11:45 | Kim/Kong v Matsutomo M / Takahashi A | L | 2-0 |
| Singapore Open - Double Femmes | 2019/04/09 09:20 | Haris D D / Kusumah T O v Matsutomo M / Takahashi A | W | 0-2 |
| Open de Malaisie - Doubles Femmes | 2019/04/04 05:10 | Baek H N / Kim H R v Matsutomo M / Takahashi A | L | 2-0 |
| Open de Malaisie - Doubles Femmes | 2019/04/02 09:00 | Chen S / Xu Y v Matsutomo M / Takahashi A | W | 1-2 |
| Open d'Angleterre | 2019/03/06 16:50 | Chang Y N / Jung K E v Matsutomo M / Takahashi A | L | 2-1 |