Marie Eve Pelletier defeated Diana Ospina 6-3 6-2 in the Toronto 50K round of 32 on hard. The upset overturned the form book — Diana Ospina came in leading the head-to-head 2–0. Marie Eve Pelletier claimed a first win over Diana Ospina in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-06-03 | Little Rock 10K | R32 | hard | Diana Ospina | 6-4 5-7 6-4 |
| 1998-05-27 | El Paso 10K | R16 | hard | Diana Ospina | 3-6 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.