Mariana Diaz Oliva defeated Sylvia Plischke 4-6 6-4 6-4 in the Bogota round of 32 on clay. The upset overturned the form book — Sylvia Plischke came in leading the head-to-head 1–0, defending last year's semi-final. Mariana Diaz Oliva claimed a first win over Sylvia Plischke in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-02-10 | Cali 25K | SF | clay | Sylvia Plischke | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.