Akiko Yonemura defeated Kurumi Nara 2-6 6-4 7-5 in the Noto 25K qualifying round on carpet. The upset overturned the form book — Kurumi Nara came in leading the head-to-head 2–1. Akiko Yonemura narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-28 | Hamanako 25K | R16 | carpet | Kurumi Nara | 2-6 6-3 6-0 |
| 2009-07-27 | Obihiro-Tokachi 25K | R32 | carpet | Kurumi Nara | 6-3 6-2 |
| 2006-07-03 | Nagoya 25K | R32 | hard | Akiko Yonemura | 7-5 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.