Samantha Stosur defeated Elena Dementieva 6-3 2-6 7-6 in the US Open round of 16 on hard. The upset overturned the form book — Elena Dementieva came in leading the head-to-head 5–1, defending last year's round of 64. Samantha Stosur narrowed the head-to-head to 5–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-10-25 | WTA Championships | RR | hard | Elena Dementieva | 4-6 6-4 7-6(4) |
| 2009-08-17 | Toronto | QF | hard | Elena Dementieva | 6-7(3) 6-1 6-3 |
| 2009-05-25 | Roland Garros | R32 | clay | Samantha Stosur | 6-3 4-6 6-1 |
| 2009-01-19 | Australian Open | R32 | hard | Elena Dementieva | 7-6(6) 6-4 |
| 2006-09-25 | Luxembourg | R16 | hard | Elena Dementieva | 7-5 6-1 |
| 2005-08-08 | Los Angeles | R32 | hard | Elena Dementieva | 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
Averages over each player's completed matches in the selected window (197 vs 50). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About