Ryoko Fuda defeated Aiko Nakamura 3-6 7-6 6-3 in the Gifu 50K round of 32 on hard. The upset overturned the form book — Aiko Nakamura came in leading the head-to-head 4–0, but Ryoko Fuda had been the form player, winning 5 of their last 8 on hard. Ryoko Fuda claimed a first win over Aiko Nakamura in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-05-04 | Fukuoka 50K | R32 | grass | Aiko Nakamura | 6-0 6-1 |
| 2005-02-01 | Tokyo | R32 | hard | Aiko Nakamura | 3-6 6-4 6-2 |
| 2004-07-12 | Gunma 25K | QF | carpet | Aiko Nakamura | 6-4 6-0 |
| 2002-04-15 | Gunma 10K | R32 | carpet | Aiko Nakamura | 6-1 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.