Gisela Dulko defeated Diana Ospina 6-4 6-3 in the Sedona AZ 50K round of 32 on hard. The upset overturned the form book — Diana Ospina came in leading the head-to-head 1–0. Gisela Dulko claimed a first win over Diana Ospina in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-11-10 | Eugene OR 50K | R32 | hard | Diana Ospina | 7-5 7-6(5) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.