Yanina Wickmayer defeated Kai Chen Chang 7-5 2-6 7-5 in the Stanford round of 32 on hard. The upset overturned the form book — Kai Chen Chang came in defending last year's round of 16.
No previous meetings on record.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 73). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About