Guillermo Vilas won in the final 4 -- 6 , 6 -- 3 , 6 -- 1 , 7 -- 6 against Vitas Gerulaitis . Guillermo Vilas won against Vitas Gerulaitis in the finals 4 -- 6 , 6 -- 3 , 6 - 1 , 7 -- 6 . Vitas Gerulaitis won 4 -- 6 , 6 -- 3 , 6 -- 1 , 7 -- 6 against Guillermo Vilas in the finals .