Samantha Stosur defeated Vera Zvonareva 6-3 6-3 in the US Open quarter-final on hard. The result followed the form book — Samantha Stosur came in leading the head-to-head 7–1, defending last year's quarter-final. Samantha Stosur extended the head-to-head to 8–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-06-13 | Eastbourne | QF | grass | Samantha Stosur | 4-6 7-6(4) 6-4 |
| 2011-04-18 | Stuttgart | QF | clay | Samantha Stosur | 2-6 6-3 7-6(3) |
| 2010-04-12 | Charleston | F | clay | Samantha Stosur | 6-0 6-3 |
| 2010-03-08 | Indian Wells | R16 | hard | Samantha Stosur | 6-2 7-5 |
| 2008-07-14 | Stanford | R16 | hard | Samantha Stosur | 6-3 6-2 |
| 2007-01-29 | Tokyo | R32 | hard | Samantha Stosur | 6-4 6-7(4) 6-4 |
| 2007-01-08 | Sydney | R32 | hard | Samantha Stosur | 6-1 6-4 |
| 2004-06-21 | Wimbledon | R128 | grass | Vera Zvonareva | 6-4 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 (197 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About