Andrea Petkovic defeated Polona Hercog 6-2 6-0 in the Miami round of 128 on hard. The upset overturned the form book — Polona Hercog came in leading the head-to-head 2–1. Andrea Petkovic narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-05-09 | Rome | R32 | clay | Polona Hercog | 6-4 6-3 |
| 2011-02-05 | Fed Cup WG2 R1: SLO vs GER | RR | clay | Andrea Petkovic | 6-1 6-2 |
| 2009-04-13 | Civitavecchia 25K | F | clay | Polona Hercog | 6-2 6-4 |
Averages over each player's completed matches in the selected window (192 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About