Stadium: Court B Round: 27 Ground: Hardcourt outdoor
| ITF Women Quanzhou WD | 2018/04/24 02:00 | Okuno A / Sema E v Inoue M / Kaji H | 3-6,7-6,10-6 |
| Kofu, Doubles W-WITF-JPN-02A | 2017/06/13 03:05 | Matsumoto A / Nishizato K v Okuno A / Sema E | 6-7,6-4,7-10 |
| ITF Women Tokyo WD | 2017/06/08 08:00 | Kobori M / Takahata K v Okuno A / Sema E | 4-6,6-1,10-4 |
| ITF Women Tokyo WD | 2017/06/06 07:30 | Lee P-C / Zhang L v Okuno A / Sema E | 3-6,1-6 |
| ITF Women Gifu WD | 2017/05/02 04:00 | Naito Y / Tjandramulia O v Okuno A / Sema E | 4-6,6-2,10-4 |
| Kashiwa, Doubles W-WITF-JPN-03A | 2017/04/04 04:30 | Okuno A / Sema E v Lertcheewakarn N / Okamura K | 6-7,7-6,5-10 |
| Kofu, Doubles W-WITF-JPN-02A | 2017/03/31 04:05 | Han S-H / Kumkhum L v Okuno A / Sema E | 3-6,6-4,10-8 |
| Kofu, Doubles W-WITF-JPN-02A | 2017/03/30 06:20 | Okuno A / Sema E v Choi J-H/Kim NR | 6-4,6-4 |