| Akita Masters WD | 2019/08/16 03:20 | Iwanaga/Nakanishi v Sakuramoto/Takahata | L | 0-2 |
| Akita Masters WD | 2019/08/15 03:55 | Kawashima/Saito v Iwanaga/Nakanishi | W | 0-2 |
| Akita Masters WD | 2019/08/14 06:00 | Iwanaga/Nakanishi v Istarani/Kusumah | W | 2-0 |
| Finnish Open WD | 2019/04/06 14:30 | Honda/Shimizu v Iwanaga/Nakanishi | L | 2-1 |
| Finnish Open WD | 2019/04/05 19:00 | Pai/Wu v Iwanaga/Nakanishi | W | 0-2 |
| Finnish Open WD | 2019/04/05 14:20 | Iwanaga/Nakanishi v Ercetin/Inci | W | 2-0 |
| China Open WD | 2019/09/18 09:30 | Birch/Smith v Polii/Rahayu | L | 0-2 |
| Kharkiv Int. WD | 2019/09/08 09:00 | Birch/Smith v Honderich/Tsai | W | 2-0 |
| Kharkiv Int. WD | 2019/09/07 14:00 | Birch/Smith v Ercetin/Inci | W | 2-0 |
| Kharkiv Int. WD | 2019/09/07 07:40 | Birch/Smith v Janssens/Ostermeyer | W | 2-0 |
| World Championships WD | 2019/08/20 15:20 | Birch/Smith v Bolotova/Davletova | L | 0-2 |
| Japan Open WD | 2019/07/24 03:00 | Matsutomo/Takahashi v Birch/Smith | L | 2-0 |
| Indonesia Open WD | 2019/07/17 02:30 | Supajirakul/Taerattanachai v Birch/Smith | L | 2-0 |
| European Games WD | 2019/06/29 15:00 | Birch/Smith v Piek/Seinen | L | 1-2 |