Marissa Irvin defeated Gisela Dulko 6-4 7-5 in the Roland Garros round of 64 on clay. The upset overturned the form book — Gisela Dulko came in leading the head-to-head 1–0, defending last year's round of 32. Marissa Irvin claimed a first win over Gisela Dulko in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-03-10 | Indian Wells | R16 | hard | Gisela Dulko | 7-6(3) 7-6(2) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.