Klara Koukalova defeated Na Li 6-3 1-6 6-4 in the Copenhagen semi-final on hard. The upset overturned the form book — Na Li came in leading the head-to-head 3–1. Klara Koukalova narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-06-24 | Wimbledon | R32 | grass | Na Li | 4-6 6-0 8-6 |
| 2012-12-31 | Shenzhen | F | hard | Na Li | 6-3 1-6 7-5 |
| 2012-03-05 | Indian Wells | R16 | hard | Na Li | 6-1 6-0 |
| 2011-02-21 | Doha | R16 | hard | Klara Koukalova | 6-2 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 (76 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About