Caroline Wozniacki defeated Aleksandra Wozniak 4-6 6-4 6-4 in the Cincinnati round of 32 on hard. The result followed the form book — Caroline Wozniacki came in leading the head-to-head 7–1. Caroline Wozniacki extended the head-to-head to 8–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-08-06 | Montreal | QF | hard | Caroline Wozniacki | 6-4 6-4 |
| 2011-05-23 | Roland Garros | R64 | clay | Caroline Wozniacki | 6-3 7-6(6) |
| 2010-01-18 | Australian Open | R128 | hard | Caroline Wozniacki | 6-4 6-2 |
| 2009-10-12 | Osaka | QF | hard | Caroline Wozniacki | 6-2 6-7(1) 6-2 |
| 2009-09-28 | Tokyo | R32 | hard | Aleksandra Wozniak | 5-0 RET |
| 2009-06-15 | Eastbourne | SF | grass | Caroline Wozniacki | 3-6 6-4 6-4 |
| 2009-04-06 | Ponte Vedra Beach | F | clay | Caroline Wozniacki | 6-1 6-2 |
| 2008-06-23 | Wimbledon | R64 | grass | Caroline Wozniacki | 6-1 6-1 |
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 175). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About