Akari Inoue defeated Akiko Yonemura 3-6 6-4 6-2 in the Tokyo 10K round of 32 on hard. The upset overturned the form book — Akiko Yonemura came in leading the head-to-head 2–0. Akari Inoue claimed a first win over Akiko Yonemura in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-11-18 | Toyota 75K | Q32 | carpet | Akiko Yonemura | 7-5 6-4 |
| 2011-05-09 | Kurume 50K | QF | grass | Akiko Yonemura | 7-6(6) 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.