Na Li defeated Caroline Wozniacki 7-5 7-5 in the Miami quarter-final on hard. The result followed the form book — Na Li came in leading the head-to-head 3–2, defending last year's quarter-final. Na Li extended the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-09-24 | Tokyo | R16 | hard | Caroline Wozniacki | 4-6 6-3 6-4 |
| 2011-01-17 | Australian Open | SF | hard | Na Li | 3-6 7-5 6-3 |
| 2010-01-18 | Australian Open | R16 | hard | Na Li | 6-4 6-3 |
| 2010-01-11 | Sydney | R32 | hard | Na Li | 2-6 6-3 6-2 |
| 2008-10-20 | Luxembourg | SF | hard | Caroline Wozniacki | 7-6(1) 3-6 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 (28 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About