Tatjana Maria defeated Roberta Vinci 7-6 6-3 in the Miami round of 128 on hard. The upset overturned the form book — Roberta Vinci came in leading the head-to-head 2–0, defending last year's round of 64. Tatjana Maria claimed a first win over Roberta Vinci in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-08-10 | Cincinnati | R64 | hard | Roberta Vinci | 6-4 6-1 |
| 2006-09-25 | Luxembourg | R32 | hard | Roberta Vinci | 6-4 6-3 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (200 vs 137). ATP, WTA & Challenger.