Maria Sharapova defeated Mary Pierce 6-2 6-3 in the San Diego quarter-final on hard. The result followed the form book — Maria Sharapova came in leading the head-to-head 2–1. Maria Sharapova extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-05-09 | Rome | R16 | clay | Maria Sharapova | 7-6(4) 6-4 |
| 2005-03-09 | Indian Wells | QF | hard | Maria Sharapova | 6-4 6-3 |
| 2004-08-30 | US Open | R32 | hard | Mary Pierce | 4-6 6-2 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 (198 vs 15). ATP, WTA & Challenger.