Caroline Wozniacki defeated Monica Niculescu 6-3 6-2 in the Luxembourg round of 16 on hard. The result followed the form book — Caroline Wozniacki came in leading the head-to-head 8–0. Caroline Wozniacki extended the head-to-head to 9–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-03-18 | Miami | R32 | hard | Caroline Wozniacki | 6-4 7-6(4) |
| 2018-02-12 | Doha | R16 | hard | Caroline Wozniacki | 7-5 6-1 |
| 2017-05-08 | Madrid | R64 | clay | Caroline Wozniacki | 7-5 6-7(3) 6-4 |
| 2016-08-29 | US Open | R32 | hard | Caroline Wozniacki | 6-3 6-1 |
| 2013-09-30 | Beijing | R32 | hard | Caroline Wozniacki | 6-3 6-1 |
| 2013-08-12 | Cincinnati | R32 | hard | Caroline Wozniacki | 6-4 6-3 |
| 2012-01-16 | Australian Open | R32 | hard | Caroline Wozniacki | 6-2 6-2 |
| 2008-08-18 | New Haven | 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 195). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About