The WTA Brasil Open was founded in 1977 as the successor event to the earlier Brazilian International Championships (1932–1969).

Although the WTA itself currently does not acknowledge many of these tournaments to be new editions of one larger tournament, a part of historians, the press, and the media, see them as only one tournament despite changes in names, cities, surfaces, and various hiatus.

Finals Singles LocationYearChampionRunner-upScoreRef World Tour eventSão Paulo 1977 Billie Jean King Betty Stöve 6–1, 6–4 Not heldRio de Janeiro 1984 Sandra Cecchini Adriana Villagrán-Reami 6–3, 6–3 São Paulo 1985 Mercedes Paz Laura Arraya 5–7, 6–1, 6–4 1986 Vicki Nelson-Dunbar Jenny Klitch 6–2, 7–6(7–1) Guarujá 1987 Niege Dias Patricia Medrado 6–0, 6–7, 6–4 1988 Mercedes Paz (2) Rene Simpson 7–5, 6–2 1989 Federica Haumüller Patricia Tarabini 7–6(9–7), 6–4 São Paulo 1990 Veronika Martinek Donna Faber 6–2, 6–4 1991 Sabine Hack Veronika Martinek 6–3, 7–5 Not heldCuritiba 1993 Sabine Hack (2) Florencia Labat 6–2, 6–0 Not heldSão Paulo 1999 Fabiola Zuluaga Patricia Wartusch 7–5, 4–6, 7–5 Tier IV eventSão Paulo 2000 Rita Kuti-Kis Paola Suárez 4–6, 6–4, 7–5 Tier II eventMata de São João 2001 Monica Seles Jelena Dokić 6–3, 6–3 2002 Anastasia Myskina Eleni Daniilidou 6–3, 0–6, 6–2

Doubles LocationYearChampionsRunners-upScoreRef World Tour eventSão Paulo 1977 Kerry Reid Wendy Turnbull Linky Boshoff Ilana Kloss 6–3, 5–7, 6–2 Not heldRio de Janeiro 1984 Jill Hetherington Hélène Pelletier Penny Barg-Mager Kyle Copeland 6–3, 2–6, 7–6 São Paulo 1985 Mercedes Paz Gabriela Sabatini Niege Dias Csilla Bartos 7–5, 6–4 1986 Neige Dias Patricia Medrado Laura Arraya Petra Huber 6–4, 4–6, 7–6(8–6) Guarujá 1987 Katrina Adams Cheryl Jones Jill Hetherington Mercedes Paz 6–3, 6–4 1988 Bettina Fulco Mercedes Paz (2) Carin Bakkum Simone Schilder 7–5, 6–2 1989 Mercedes Paz (3) Patricia Tarabini Cláudia Chabalgoity Luciana Corsato 6–2, 6–2 São Paulo 1990 Bettina Fulco Eva Švíglerová Mary Pierce Luanne Spadea 7–5, 6–4 1991 Inés Gorrochategui Mercedes Paz (4) Renata Baranski Laura Glitz 6–2, 6–2 Not heldCuritiba 1993 Sabine Hack Veronika Martinek Cláudia Chabalgoity Andrea Vieira 6–2, 7–6(7–4) Not heldSão Paulo 1999 Laura Montalvo Paola Suárez Janette Husárová Florencia Labat 6–7(7–9), 7–5, 7–5 Tier IV eventSão Paulo 2000 Laura Montalvo (2) Paola Suárez (2) Janette Husárová Florencia Labat 5–7, 6–4, 6–3 Tier II eventMata de São João 2001 Amanda Coetzer Lori McNeil Nicole Arendt Patricia Tarabini 6–7(8–10), 6–2, 6–4 2002 Virginia Ruano Pascual Paola Suárez (3) Émilie Loit Rossana de los Ríos 6–4, 6–1

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