Roberta Vinci defeated Andrea Petkovic 6-1 4-6 6-3 in the St. Petersburg qualifying final 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 |
|---|---|---|---|---|---|
| 2017-01-30 | St. Petersburg | R16 | hard | Roberta Vinci | 6-4 6-4 |
| 2013-08-12 | Cincinnati | R32 | hard | Roberta Vinci | 6-4 6-7(3) 6-3 |
| 2011-08-29 | US Open | R32 | hard | Andrea Petkovic | 6-4 6-0 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.