Mary Pierce defeated Mariana Diaz Oliva 6-3 6-4 in the Quebec City round of 16 on hard. The result followed the form book — Mary Pierce came in leading the head-to-head 2–0, defending last year's semi-final. Mary Pierce extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-05-06 | Berlin | R64 | grass | Mary Pierce | 6-1 7-5 |
| 2001-01-15 | Australian Open | R64 | hard | Mary Pierce | 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 (52 vs 22). ATP, WTA & Challenger.