
Sloane Stephens defeated Caroline Wozniacki 6-2 7-6 in the Auckland semi-final on hard. The upset overturned the form book — Caroline Wozniacki came in leading the head-to-head 6–0, defending last year's final. Sloane Stephens claimed a first win over Caroline Wozniacki in seven meetings, narrowing the head-to-head to 6–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-08-07 | Toronto | SF | hard | Caroline Wozniacki | 6-2 6-3 |
| 2014-06-16 | Eastbourne | R16 | grass | Caroline Wozniacki | 6-3 6-3 |
| 2014-03-17 | Miami | R32 | hard | Caroline Wozniacki | 6-1 6-0 |
| 2013-09-30 | Beijing | R16 | hard | Caroline Wozniacki | 6-3 6-1 |
| 2013-08-19 | New Haven | QF | hard | Caroline Wozniacki | 7-6(6) 6-2 |
| 2011-03-07 | Indian Wells | R64 | hard | Caroline Wozniacki | 6-3 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 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About