Milagros Sequera defeated Diana Ospina 5-7 6-4 7-6 in the College Park MD 25K round of 16 on hard. Milagros Sequera extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-04-02 | Juarez 25K | R32 | clay | Milagros Sequera | 6-1 6-1 |
| 1997-10-01 | Mexico City 10K | SF | hard | Diana Ospina | 6-0 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.