Heather Watson defeated Caroline Wozniacki 7-5 6-4 in the Monterrey quarter-final on hard. The upset overturned the form book — Caroline Wozniacki came in leading the head-to-head 2–0. Heather Watson claimed a first win over Caroline Wozniacki in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-06-26 | Eastbourne | SF | grass | Caroline Wozniacki | 6-2 3-6 7-5 |
| 2016-10-10 | Hong Kong | R16 | hard | Caroline Wozniacki | 6-3 6-3 |
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 (199 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About