Shiho Hisamatsu defeated Kyung Mi Chang 7-5 6-7 6-2 in the Ibaraki 10K final on hard. The upset overturned the form book — Kyung Mi Chang came in leading the head-to-head 1–0. Shiho Hisamatsu 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 |
|---|---|---|---|---|---|
| 2008-07-28 | Obihiro 25K | QF | carpet | Kyung Mi Chang | 6-4 3-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.