Na Li defeated Elena Baltacha 6-3 6-2 in the Copenhagen round of 16 on hard. The upset overturned the form book — Elena Baltacha came in leading the head-to-head 2–1. Na Li narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-14 | Eastbourne | R32 | grass | Elena Baltacha | 6-7(6) 0-0 RET |
| 2010-03-08 | Indian Wells | R64 | hard | Elena Baltacha | 7-6(6) 2-6 7-6(7) |
| 2009-06-15 | Eastbourne | R32 | grass | Na Li | 6-2 7-5 |
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 80). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About