1971 South American Open – Men's singles

Men's singles
1971 South American Open
Champion Željko Franulović
Runner-up Ilie Năstase
Score6–3, 7–6, 6–1

Željko Franulović defeated Ilie Năstase 6–3, 7–6, 6–1 to win the 1971 South American Open singles competition. Franulović was the defending champion.

Draw

Final

Final
  Ilie Năstase 3 6 1    
  Željko Franulović 6 7 6    

Section 1

First round Second round Quarterfinals Semifinals
  I Năstase 6 6 6    
  O Escribano 2 4 4       I Năstase 3 7 6 6  
  M Holeček 6 7 6       M Holeček 6 6 3 0  
  P Cornejo 3 5 3       I Năstase 6 6 6    
  T Gorman 6 6 6       I Gulyás 3 3 4    
  R Graetz 3 3 1       T Gorman 6 2 0 2  
  I Gulyás 6 6 6       I Gulyás 2 6 6 6  
  E Zuleta 1 0 3       I Năstase 6 7 6    
  C Graebner 6 6 6       J Leschly 1 5 3    
  N Herrero 2 1 3       C Graebner 1 3 6 1  
  J Leschly 2 6 4 6 6   J Leschly 6 6 1 6  
  T Vázquez 6 4 6 3 3   J Leschly 6 4 6 6  
  C Richey 6 6 6       C Richey 1 6 3 2  
  R Cano 0 2 4       C Richey 3 6 4 7 6
  G Vilas             G Vilas 6 4 6 6 2
           

Section 2

First round Second round Quarterfinals Semifinals
  Z Franulović 6 6 6 6  
  G Romani 7 3 2 4     Z Franulović 6 6 6    
  J Ganzábal 6 6 6       J Ganzábal 2 4 1    
  E Soriano 4 2 2       Z Franulović 6 7 7 6  
  F Froehling 7 6 6       F Froehling 7 6 6 4  
  L Álvarez 6 4 2       F Froehling 7 7 7    
  J Pinto Bravo 6 6 6       J Pinto Bravo 6 5 5    
  T Koch 1 4 3       Z Franulović 2 7 6 6  
  R Aubone 6 7 6       S Smith 6 6 1 3  
  J Fillol Sr. 2 6 4       R Aubone 4 0 7 6 7
  M Lynch             M Lynch 6 6 5 3 5
              R Aubone 2 4 4    
  J Loyo-Mayo 7 6 6       S Smith 6 6 6    
  P Rodríguez 5 2 3       J Loyo-Mayo 1 2 6 3  
  R Aubone 2 0 1       S Smith 6 6 2 6  
  S Smith 6 6 6