Kyung Mi Chang defeated Erika Takao 6-2 6-2 in the Changwon 25K round of 32 on hard. The upset overturned the form book — Erika Takao came in leading the head-to-head 2–0, but Kyung Mi Chang had been the form player, winning 3 of their last 5 on hard. Kyung Mi Chang claimed a first win over Erika Takao in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-07 | Tokyo 10K | SF | hard | Erika Takao | 7-5 6-1 |
| 2007-07-16 | Kurume 25K | R32 | grass | Erika Takao | 6-3 6-1 |