Mary Pierce defeated Virginia Ruano Pascual 6-1 6-1 in the Key Biscayne round of 32 on hard. The upset overturned the form book — Virginia Ruano Pascual came in defending last year's round of 128. Mary Pierce extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-08-30 | US Open | R64 | hard | Mary Pierce | 6-0 6-1 |
| 2004-06-21 | Wimbledon | R128 | grass | Virginia Ruano Pascual | 6-2 7-5 |
| 2003-05-05 | Berlin | R64 | grass | Virginia Ruano Pascual | 7-6(7) RET |
| 1997-06-23 | Wimbledon | R64 | grass | Mary Pierce | 6-0 2-6 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 (61 vs 81). ATP, WTA & Challenger.