Kumiko Iijima defeated Kyung Mi Chang 5-7 7-6 6-1 in the Haibara 25K round of 32 on carpet. The upset overturned the form book — Kyung Mi Chang came in leading the head-to-head 1–0. Kumiko Iijima claimed a first win over Kyung Mi Chang in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-07-09 | Miyazaki 25K | R16 | carpet | Kyung Mi Chang | 6-4 3-6 6-3 |