Serena Williams defeated Mary Pierce 6-1 6-1 in the Roland Garros quarter-final on clay. The result followed the form book — Serena Williams came in leading the head-to-head 4–1, defending last year's quarter-final. Serena Williams extended the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-04-04 | Amelia Island | R16 | clay | Serena Williams | 7-6(5) 6-4 |
| 2004-04-05 | Amelia Island | R32 | clay | Serena Williams | 6-3 6-1 |
| 2000-03-10 | Indian Wells | QF | hard | Mary Pierce | 6-2 6-1 |
| 1999-03-05 | Indian Wells | QF | hard | Serena Williams | 7-5 7-6 |
| 1997-11-03 | Chicago | R16 | carpet | Serena Williams | 6-3 7-6 |
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 (199 vs 61). ATP, WTA & Challenger.