Kazusa Ito defeated Akari Inoue 6-3 6-1 in the Quanzhou 50K q16 on hard. The upset overturned the form book — Akari Inoue came in leading the head-to-head 2–0. Kazusa Ito claimed a first win over Akari Inoue in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-07-16 | Istanbul 10K | R32 | hard | Akari Inoue | 6-4 6-3 |
| 2010-09-06 | Noto 25K | QF | carpet | Akari Inoue | 7-5 7-6(9) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.