Roberta Vinci defeated Christina Mchale 6-7 6-1 6-3 in the Miami round of 64 on hard. The result followed the form book — Roberta Vinci came in leading the head-to-head 2–1, defending last year's round of 32. Roberta Vinci extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-09-25 | Wuhan | R64 | hard | Christina Mchale | 6-4 6-4 |
| 2016-08-29 | US Open | R64 | hard | Roberta Vinci | 6-1 6-3 |
| 2011-01-03 | Brisbane | R32 | hard | Roberta Vinci | 6-2 7-6(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 (200 vs 200). ATP, WTA & Challenger.