Aiko Nakamura defeated Kaori Aoyama 6-1 6-2 in the Haibara 25K round of 16 on carpet. The result followed the form book — Aiko Nakamura came in leading the head-to-head 1–0. Aiko Nakamura extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-07-12 | Gunma 25K | R16 | carpet | Aiko Nakamura | 4-6 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.