1989 Banespa Open – Singles
Introduction Luiz Mattar won in the final 6–4, 5–7, 6–4 against Martín Jaite.
Seeds A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.#  '''Luiz Mattar (champion)'''#  Horacio de la Peña ''(quarterfinals)''#  Martín Jaite ''(final)''#  Eduardo Bengoechea ''(quarterfinals)''#  Cássio Motta ''(semifinals)''#  Javier Frana ''(first round)''#  Todd Witsken ''(semifinals)''#  Tim Wilkison ''(first round)''
Draw
External links *  1989 Rio de Janeiro Open draw