Makoto Ninomiya defeated Kaori Onishi 7-5 6-2 in the Nishi Tama 10K round of 32 on hard. The result followed the form book — Makoto Ninomiya came in leading the head-to-head 1–0. Makoto Ninomiya extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-09-02 | Noto 25K | R32 | grass | Makoto Ninomiya | 6-0 6-3 |