Vania King defeated Kai Chen Chang 6-1 6-4 in the San Diego round of 32 on hard. The upset overturned the form book — Kai Chen Chang came in leading the head-to-head 1–0. Vania King claimed a first win over Kai Chen Chang in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-10-10 | Tianjin | R32 | hard | Kai Chen Chang | 6-1 6-2 |
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 (126 vs 73). ATP, WTA & Challenger.