Shiho Akita defeated Chiaki Okadaue 6-2 6-1 in the Changwon 25K round of 32 on hard. The upset overturned the form book — Chiaki Okadaue came in leading the head-to-head 1–0. Shiho Akita claimed a first win over Chiaki Okadaue in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-03-16 | Kofu $10K | QF | hard | Chiaki Okadaue | 6-2 7-6(5) |
Averages over each player's completed matches in the selected window (200 vs 2). 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. About