| Akita Masters WD | 2019/08/14 04:40 | Hoshi/Matsuda v Kawashima/Saito | W | 1-2 |
| White Nights WD | 2019/07/14 09:00 | Nakai/Ono v Kawashima/Saito | L | 2-1 |
| White Nights WD | 2019/07/13 14:30 | Kawashima/Saito v Jakkampudi/S Ram | W | 2-0 |
| White Nights WD | 2019/07/13 09:00 | Kawashima/Saito v Akchurina/Morozova | W | 2-0 |
| Denmark Int. WD | 2019/05/11 16:00 | Kawashima/Saito v Birch/Smith | L | 0-2 |
| Denmark Int. WD | 2019/05/11 09:30 | Fruergaard/Thygesen v Kawashima/Saito | W | 1-2 |
| 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 |