The 1999 Brasil Open was a women's tennis tournament played on outdoor clay courts in São Paulo, Brazil. It was part of Tier IV of the 1999 WTA Tour. The tournament was held from October 4 through October 10, 1999. Fabiola Zuluaga won the singles title.
Entrants
Seeds
Other entrants
The following players received wildcards into the singles main draw: Joana Cortez Vanessa Menga
The following players received wildcards into the doubles main draw: Miriam D'Agostini / Larissa Schaerer
The following players received entry from the singles qualifying draw:
Gisela Riera
Mariana Mesa
Rossana de los Ríos
Ainhoa Goñi Blanco
The following players received entry from the doubles qualifying draw: Mariana Mesa / Romina Ottoboni
Champions
Singles
Fabiola Zuluaga defeated Patricia Wartusch, 7–5, 4–6, 7–5
This was Zuluaga's second WTA title of the year and her career.
Doubles
Laura Montalvo / Paola Suárez defeated Janette Husárová / Florencia Labat, 6–7(7–9), 7–5, 7–5