Diana Ospina defeated Gisela Dulko 7-5 7-6 in the Eugene OR 50K round of 32 on hard. The upset overturned the form book — Gisela Dulko came in leading the head-to-head 1–0, but Diana Ospina had been the form player, winning 2 of their last 8 on hard. Diana Ospina claimed a first win over Gisela Dulko in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-10-13 | Sedona AZ 50K | R32 | hard | Gisela Dulko | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.