Samantha Stosur defeated Venus Williams 6-3 4-6 6-3 in the Charleston quarter-final on clay. The upset overturned the form book — Venus Williams came in leading the head-to-head 7–0. Samantha Stosur claimed a first win over Venus Williams in eight meetings, narrowing the head-to-head to 7–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-03-23 | Miami | R32 | hard | Venus Williams | 6-4 7-6(3) |
| 2012-08-13 | Cincinnati | QF | hard | Venus Williams | 6-2 6-7(2) 6-4 |
| 2012-05-14 | Rome | R16 | clay | Venus Williams | 6-4 6-3 |
| 2010-05-10 | Madrid | QF | clay | Venus Williams | 6-3 6-3 |
| 2008-08-25 | US Open | R128 | hard | Venus Williams | 6-2 6-3 |
| 2008-05-12 | Rome | R32 | clay | Venus Williams | 6-4 6-1 |
| 2007-04-09 | Charleston | R64 | clay | Venus Williams | 6-2 6-2 |
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