Chiaki Okadaue defeated Eriko Mizuno 6-2 6-2 in the Hiroshima 10K round of 16 on carpet. The result followed the form book — Chiaki Okadaue came in leading the head-to-head 1–0. Chiaki Okadaue extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-06-04 | Tokyo 10K | R32 | hard | Chiaki Okadaue | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.