Yumi Miyazaki defeated Akiko Yonemura 1-6 6-4 6-2 in the Gifu 75K qualifying round on hard. The upset overturned the form book — Akiko Yonemura came in leading the head-to-head 4–0. Yumi Miyazaki claimed a first win over Akiko Yonemura in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-06-17 | Tokyo 10K | R16 | hard | Akiko Yonemura | 6-4 6-4 |
| 2012-06-11 | Tokyo 10K | QF | hard | Akiko Yonemura | 6-2 6-1 |
| 2012-03-26 | Nishi Tama 10K | R32 | hard | Akiko Yonemura | 3-6 6-0 6-2 |
| 2005-07-18 | Kurume 25K | R32 | grass | Akiko Yonemura | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.