1977 ATP Buenos Aires (April) – Singles

Guillermo Vilas defeated Wojtek Fibak 6–4, 6–3, 6–0 to win the April 1977 ATP Buenos Aires singles competition. Vilas was the defending champion.

Seeds A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.

Guillermo Vilas (Champion) Wojciech Fibak (Final)

Draw

Key NB: All rounds up to but not including the final were the best of 3 sets. The final was the best of 5 sets.

Final

Section 1

Section 2

External links 1977 ATP Buenos Aires (April) draw