Maria Sharapova defeated Magdalena Rybarikova 6-1 4-6 6-2 in the Acapulco quarter-final on hard. The upset overturned the form book — Magdalena Rybarikova came in leading the head-to-head 1–0, defending last year's round of 32. Maria Sharapova claimed a first win over Magdalena Rybarikova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-10-16 | Moscow | R32 | hard | Magdalena Rybarikova | 7-6(3) 6-4 |
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 (111 vs 142). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About