1979 South American Open (tennis) Tags: Tennis Tournament, Tournament.The 1979 ATP Buenos Aires was a men’s Grand Prix tennis circuit tournament held in Buenos Aires Argentina that was played on outdoor clay courts. It was the 13th edition of the tournament and was held from November 19 through November 25 1979. budget ($) 175000.0 category Grand Prix tennis circuit champion in double male Sherwood Stewart, Tomáš Šmíd champion in single male Guillermo Vilas location Buenos Aires, Argentina type of tennis surface Clay / Outdoor Learn more... Loading...