| US Open 2019, WD | 2019/07/10 18:15 | Matsuyama/Shida v Ozaki S / Watanabe A | L | 2-0 |
| Canada Open WD | 2019/07/05 00:45 | Baek H N / Jung K E v Ozaki S / Watanabe A | L | 2-0 |
| Canada Open WD | 2019/07/03 19:10 | Ozaki S / Watanabe A v Chen/He | W | 2-0 |
| Denmark Int. WD | 2019/05/12 09:00 | Birch C / Smith L v Ozaki S / Watanabe A | W | 0-2 |
| Denmark Int. WD | 2019/05/11 15:30 | Ozaki S / Watanabe A v Piek S / Seinen C | W | 2-1 |
| Denmark Int. WD | 2019/05/10 16:20 | Ozaki S / Watanabe A v Delrue D / Palermo L | W | 2-0 |
| Denmark Int. WD | 2019/05/10 11:00 | Magelund A / Ravn F v Ozaki S / Watanabe A | 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 |
| 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 |