Akari Inoue defeated Mayo Hibi 7-6 6-4 in the Karuizawa $25K round of 16 on grass. The upset overturned the form book — Mayo Hibi came in leading the head-to-head 1–0. Akari Inoue claimed a first win over Mayo Hibi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-05-11 | Kurume $50K | R32 | grass | Mayo Hibi | 6-4 6-1 |
Averages over each player's completed matches in the selected window (1 vs 63). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About