Erika Takao defeated Chinami Ogi 6-4 6-0 in the Hamamatsu 25K round of 32 on grass. The upset overturned the form book — Chinami Ogi came in leading the head-to-head 1–0, but Erika Takao had been the form player, winning 3 of their last 4 on grass. Erika Takao claimed a first win over Chinami Ogi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-09-20 | Makinohara 25K | R16 | carpet | Chinami Ogi | 5-7 6-1 3-0 |