Maika Ozaki defeated Akiko Yonemura 7-6 7-6 in the Haibara 25K round of 32 on carpet. The upset overturned the form book — Akiko Yonemura came in leading the head-to-head 1–0. Maika Ozaki claimed a first win over Akiko Yonemura in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-10-23 | Hamanako 25K | QF | carpet | Akiko Yonemura | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.