Gisela Dulko defeated Mariana Diaz Oliva 6-1 7-6 in the 's-Hertogenbosch round of 32 on grass. The upset overturned the form book — Mariana Diaz Oliva came in leading the head-to-head 2–0. Gisela Dulko claimed a first win over Mariana Diaz Oliva in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-03-09 | Indian Wells | R64 | hard | Mariana Diaz Oliva | 6-4 1-6 6-4 |
| 2005-01-17 | Australian Open | R64 | hard | Mariana Diaz Oliva | 7-6(2) 7-5 |
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 (200 vs 13). ATP, WTA & Challenger.