Florencia Labat defeated Fabiola Zuluaga 3-6 6-2 6-0 in the Palermo round of 32 on clay. The upset overturned the form book — Fabiola Zuluaga came in leading the head-to-head 1–0, but Florencia Labat had been the form player, winning 2 of their last 4 on clay. Florencia Labat claimed a first win over Fabiola Zuluaga in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-10-04 | Sao Paulo | R16 | hard | Fabiola Zuluaga | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.