Stadium: C Round: 27 Ground: Hardcourt outdoor
| WTA Hong Kong WD | 2017/10/09 09:00 | Kumkhum/Plipuech v Namigata J / Sawayanagi R | 6-4,6-4 |
| Guangzhou, China, Doubles | 2017/09/20 07:15 | Jiang X / Tang Q v Namigata J / Sawayanagi R | 6-4,7-5 |
| Guangzhou, China, Doubles | 2017/09/19 07:15 | Namigata J / Sawayanagi R v Krunic A / Panova A | 1-6,7-5,10-7 |
| Nanchang, Chine, Doubles | 2017/07/25 13:10 | Hibino N / Kato M v Namigata J / Sawayanagi R | 6-2,2-6,10-5 |
| ITF Women Perth WD | 2017/02/24 02:00 | Patterson T / Rogowska O v Namigata J / Sawayanagi R | 6-4,5-7,6-10 |
| ITF Women Perth WD | 2017/02/23 03:00 | Gao X / Lee D v Namigata J / Sawayanagi R | 6-7,6-4,4-10 |
| ITF Women Perth WD | 2017/02/22 05:15 | Namigata J / Sawayanagi R v Gumulya B / Rompies J | 6-3,7-5 |
| ITF Women Perth WD | 2017/02/21 06:20 | Namigata J / Sawayanagi R v Ahn K / Harrison C | 7-6,6-4 |
| Australian Open Asia-Pacific Wildcard PO, Doubles | 2017/11/29 05:10 | Gao X / Xun F Y v Inoue M / Takahata K | 3-6,3-6 |
| ITF Women Makinohara WD | 2017/10/14 04:15 | Inoue M / Takahata K v Saigo Y / Shimizu A | 6-3,7-5 |
| ITF Women Makinohara WD | 2017/10/12 05:10 | Inoue M / Takahata K v Kawasaki M / Yamamoto M | 6-0,6-0 |
| ITF Women Makinohara WD | 2017/10/10 04:15 | Inoue M / Takahata K v Nishida N / Oshino S | 6-3,6-1 |