Shuko Aoyama defeated Zarina Diyas 4-6 6-4 6-0 in the Hamamatsu 25K semi-final on grass. The upset overturned the form book — Zarina Diyas came in leading the head-to-head 2–0. Shuko Aoyama claimed a first win over Zarina Diyas in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-10-14 | Makinohara 25K | QF | grass | Zarina Diyas | 6-2 6-3 |
| 2009-05-04 | Fukuoka 50K | R32 | grass | Zarina Diyas | 6-7(4) 6-2 6-3 |
Averages over each player's completed matches in the selected window (73 vs 199). 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