Roberta Vinci defeated Polona Hercog 6-2 6-3 in the Dallas round of 16 on hard. The result followed the form book — Roberta Vinci came in leading the head-to-head 2–1. Roberta Vinci extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-08 | Palermo | R16 | clay | Roberta Vinci | 6-2 7-6(3) |
| 2011-06-13 | 's Hertogenbosch | R32 | grass | Roberta Vinci | 6-4 6-2 |
| 2009-04-27 | Fes | R16 | clay | Polona Hercog | 6-2 6-4 |
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 200). ATP, WTA & Challenger.