Nicole Vaidisova defeated Venus Williams 6-7 6-1 6-3 in the Roland Garros quarter-final on clay. The upset overturned the form book — Venus Williams came in leading the head-to-head 1–0, defending last year's round of 32. Nicole Vaidisova claimed a first win over Venus Williams in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-05-16 | Istanbul | F | clay | Venus Williams | 6-3 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 (142 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About