| ITF W35 Hamamatsu WD | 11/06 07:25 | - | Mikhail Youzhny v Ohwaki/Tsujioka | 6-0,6-2 | |
| ITF W35 Hamamatsu WD | 11/04 03:19 | - | Ohwaki/Tsujioka v Chen/Deng | 6-2,6-4 | |
| ITF W15 Sapporo WD | 06/19 04:00 | - | Halep/Ostapenko v Ohwaki/Tsujioka | 6-4,2-6,1-0 | |
| ITF W15 Sapporo WD | 06/17 05:13 | - | Ohwaki/Tsujioka v Kim/Kobayashi | 6-4,7-6 |