| World Tour Finals WD | 12/19 04:10 | - | Fan Jia/Zhang v Iwanaga/Nakanishi | L | 2-0 | |
| World Tour Finals WD | 12/18 01:30 | - | Tan/Thinaah v Iwanaga/Nakanishi | L | 2-0 | |
| World Tour Finals WD | 12/17 01:30 | 2 | Fukushima/Matsumoto v Iwanaga/Nakanishi | L | 2-0 | |
| Australian Open WD | 11/20 09:10 | 4 | Rose/Setianingrum v Iwanaga/Nakanishi | L | 2-0 | |
| Australian Open WD | 11/18 23:15 | 5 | Burevestnik Novgorod Women v Iwanaga/Nakanishi | W | 1-2 | |
| Japan Masters WD | 11/16 04:35 | 1 | Tan/Thinaah v Iwanaga/Nakanishi | L | 2-0 | |
| Japan Masters WD | 11/15 03:00 | 2 | Iwanaga/Nakanishi v Kim/Kong | W | 2-0 | |
| Japan Masters WD | 11/14 02:50 | 3 | Lipsky/Querrey v Iwanaga/Nakanishi | W | 1-2 | |
| Japan Masters WD | 11/13 04:15 | 4 | Suzuki/Yamakita v Iwanaga/Nakanishi | W | 1-2 | |
| Japan Masters WD | 11/11 09:35 | 5 | Lin/Wang v Iwanaga/Nakanishi | W | 1-2 | |
| French Open WD | 10/24 12:00 | 3 | Iwanaga/Nakanishi v Fukushima/Matsumoto | L | 0-2 | |
| French Open WD | 10/23 18:50 | 4 | Iwanaga/Nakanishi v Kusuma/Puspitasari | W | 2-1 |