| Kumamoto Masters WD | 11/13 01:00 | 5 | Iwanaga/Nakanishi v Yeung/Yeung | - | Cancelled | |
| Kumamoto Masters WD | 11/12 09:05 | 5 | Iwanaga/Nakanishi v Lee/Lee | L | 1-2 | |
| Denmark Open WD | 10/20 12:20 | 1 | Liu/Tan v Iwanaga/Nakanishi | W | 0-2 | |
| Denmark Open WD | 10/19 10:55 | 2 | Iwanaga/Nakanishi v Baek/Lee | W | 2-1 | |
| Denmark Open WD | 10/18 16:20 | 3 | Tan/Thinaah v Iwanaga/Nakanishi | W | 0-2 | |
| Denmark Open WD | 10/17 15:45 | 4 | Sung/Hui Yu v Iwanaga/Nakanishi | W | 0-2 | |
| Arctic Open WD | 10/12 15:00 | 2 | Tan/Thinaah v Iwanaga/Nakanishi | L | 2-1 | |
| Arctic Open WD | 10/11 18:45 | 3 | Fan Jia/Li v Iwanaga/Nakanishi | W | 1-2 | |
| Arctic Open WD | 10/10 16:15 | 4 | MacPherson/Torrance v Iwanaga/Nakanishi | W | 0-2 | |
| China Open WD | 09/19 06:25 | 4 | Iwanaga/Nakanishi v Lee/Shin | L | 0-2 | |
| Japan Open WD | 08/24 08:55 | 2 | Baek/Lee v Iwanaga/Nakanishi | L | 2-0 | |
| Japan Open WD | 08/23 08:30 | 3 | Matsuyama/Shida v Iwanaga/Nakanishi | W | 1-2 | |
| Japan Open WD | 08/22 01:00 | 4 | Iwanaga/Nakanishi v Li/Luo | W | 2-0 | |
| Japan Open WD | 08/20 08:45 | 5 | Iwanaga/Nakanishi v Sung/Wang | W | 2-1 | |
| Canada Open WD | 07/07 19:25 | 1 | Iwanaga/Nakanishi v Hsu/Lin | W | 2-0 | |
| Canada Open WD | 07/06 22:10 | 2 | Iwanaga/Nakanishi v Kanlaha/Muenwong | W | 2-1 | |
| Canada Open WD | 07/05 23:00 | 3 | Iwanaga/Nakanishi v Keng/Zhang | W | 2-1 | |
| Canada Open WD | 07/04 20:00 | 4 | Iwanaga/Nakanishi v Wang/Wang | W | 2-0 | |
| US Open WD | 06/30 18:20 | 1 | Iwanaga/Nakanishi v Kanlaha/Muenwong | W | 2-0 | |
| US Open WD | 06/29 20:20 | 2 | Iwanaga/Nakanishi v Xu/Xu | W | 2-0 | |
| US Open WD | 06/28 20:00 | 3 | Iwanaga/Nakanishi v Corbett/Lee | W | 2-0 | |
| US Open WD | 06/27 19:20 | 4 | Iwanaga/Nakanishi v Anthonisen/Tirtosentono | W | 2-0 | |
| Malaysia Masters WD | 05/26 05:00 | 1 | Iwanaga/Nakanishi v Lee/Shin | W | 2-1 | |
| Malaysia Masters WD | 05/25 06:25 | 2 | Iwanaga/Nakanishi v Stoeva/Stoeva | W | 2-0 | |
| Malaysia Masters WD | 05/24 07:55 | 3 | Iwanaga/Nakanishi v Sung/Hui Yu | W | 2-0 | |
| Malaysia Masters WD | 05/23 06:20 | 4 | Iwanaga/Nakanishi v Hsu/Lin | W | 2-0 | |
| Thailand Open WD | 05/18 10:15 | 2 | Kusuma/Pratiwi v Iwanaga/Nakanishi | L | 2-0 | |
| Thailand Open WD | 05/17 08:05 | 3 | Kanlaha/Muenwong v Iwanaga/Nakanishi | W | 0-2 | |
| Thailand Open WD | 05/16 11:35 | 4 | Panda/Panda v Iwanaga/Nakanishi | W | 0-2 | |
| Spain Masters WD | 03/31 09:05 | 1 | Iwanaga/Nakanishi v Kusuma/Pratiwi | W | 2-1 |