Stadium: I Round: 26 Ground: Hardcourt outdoor
| ITF Women Karuizawa WD | 2017/05/27 07:40 | Hosonuma C / Morisaki K v Okuno A / Patterson T | 7-5,6-3 |
| ITF Women Karuizawa WD | 2017/05/27 06:00 | Hosonuma C / Morisaki K v Fujiwara R / Kobori M | 6-1,6-7,10-8 |
| ITF Women Karuizawa WD | 2017/05/25 06:30 | Imanishi M / Takahata K v Hosonuma C / Morisaki K | 3-6,6-4,5-10 |
| ITF Women Karuizawa WD | 2017/05/23 04:10 | Hosonuma C / Morisaki K v Hosoki Y / Sodeyama H | 6-1,6-2 |