| Dutch Open WD | 2019/10/13 12:00 | Stoeva/Stoeva v Iwanaga/Nakanishi | L | 2-0 |
| Dutch Open WD | 2019/10/12 13:10 | Iwanaga/Nakanishi v Efler/Herttrich | W | 2-0 |
| Dutch Open WD | 2019/10/11 16:50 | Iwanaga/Nakanishi v Piek/Seinen | W | 2-0 |
| Dutch Open WD | 2019/10/10 16:45 | Boje/Poulsen v Iwanaga/Nakanishi | W | 0-2 |
| Dutch Open WD | 2019/10/09 13:15 | Iwanaga/Nakanishi v Birch/Smith | W | 2-0 |
| 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 |
| Belgian Int. WD | 2021/10/28 11:20 | Jaques/Vandenhoucke v O'Donnell/Tolman | W | 0-2 |