Aiko Nakamura defeated Yuka Yoshida 7-6 4-6 7-6 in the Haibara 25K round of 16 on carpet. The upset overturned the form book — Yuka Yoshida came in leading the head-to-head 3–1. Aiko Nakamura narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-10-18 | Haibara 25K | F | carpet | Aiko Nakamura | 6-1 6-4 |
| 2003-10-27 | Beijing 25K | SF | hard | Yuka Yoshida | 6-3 3-6 6-2 |
| 2003-05-05 | Fukuoka 50K | R16 | grass | Yuka Yoshida | 3-6 6-3 7-6(11) |
| 2002-05-20 | Tianjin 25K | R32 | hard | Yuka Yoshida | 2-6 6-0 6-1 |
Averages over each player's completed matches in the selected window (66 vs 1). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About