1980 Champion José Luis Clerc Runner-up Guillermo Vilas Singles Doubles | Champion Ivan Lendl Final score 6–2, 6–2 | |
José Luis Clerc was the defending champion but did not compete that year.
Ivan Lendl won in the final 6–2, 6–2 against Guillermo Vilas.
Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
References
1981 South American Championships – Singles Wikipedia(Text) CC BY-SA