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.

  1. Guillermo Vilas (Champion)
  2. 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

Final
1 Guillermo Vilas 6 6 6    
2 Wojciech Fibak 4 3 0    

Section 1

First Round Quarterfinals Semifinals
               
1 Guillermo Vilas 6 6  
  Roberto Gratz 1 3  
1 Guillermo Vilas 6 6  
  Fernando Dalla Fontana 2 4  
  Fernando Dalla Fontana 6 6  
  Julián Ganzábal 0 0  
1 Guillermo Vilas 6 6  
  Paolo Bertolucci 3 2  
  Paolo Bertolucci 6 7  
  Jose Santiago 4 5  
  Paolo Bertolucci 6 9  
  Ion Țiriac 3 7  
  Ion Țiriac 6 6  
  Lorenzo Soriano 3 2  

Section 2

First Round Quarterfinals Semifinals
               
  Ricardo Cano 3 6 6
  Lito Álvarez 6 2 2
  Ricardo Cano 6 6  
  Balázs Taróczy 3 3  
  Balázs Taróczy 6 6  
  Roberto Aubone 4 2  
  Ricardo Cano 3 7  
2 Wojciech Fibak 6 9  
  Cliff Richey 6 6  
  Carlos Landó 1 2  
  Cliff Richey 7 3  
2 Wojciech Fibak 9 6  
  Hector Romani 3 3  
  Wojciech Fibak 6 6