1971 South American Open – Men's singles

Men's singles
1971 South American Open
ChampionSocialist Federal Republic of Yugoslavia Željko Franulović
Runner-upRomania 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
  Romania Ilie Năstase 3 6 1    
  Socialist Federal Republic of Yugoslavia Željko Franulović 6 7 6    

Section 1

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

Section 2

First round Second round Quarterfinals Semifinals
  Socialist Federal Republic of Yugoslavia Z Franulović 6 6 6 6  
  Italy G Romani 7 3 2 4     Socialist Federal Republic of Yugoslavia Z Franulović 6 6 6    
  Argentina J Ganzábal 6 6 6       Argentina J Ganzábal 2 4 1    
  Argentina E Soriano 4 2 2       Socialist Federal Republic of Yugoslavia Z Franulović 6 7 7 6  
  United States F Froehling 7 6 6       United States F Froehling 7 6 6 4  
  Argentina L Álvarez 6 4 2       United States F Froehling 7 7 7    
  Chile J Pinto Bravo 6 6 6       Chile J Pinto Bravo 6 5 5    
  Brazil T Koch 1 4 3       Socialist Federal Republic of Yugoslavia Z Franulović 2 7 6 6  
  Argentina R Aubone 6 7 6       United States S Smith 6 6 1 3  
  Chile J Fillol Sr. 2 6 4       Argentina R Aubone 4 0 7 6 7
  Australia M Lynch             United States M Lynch 6 6 5 3 5
              Argentina R Aubone 2 4 4    
  Mexico J Loyo-Mayo 7 6 6       United States S Smith 6 6 6    
  Chile P Rodríguez 5 2 3       Mexico J Loyo-Mayo 1 2 6 3  
  Argentina R Aubone 2 0 1       United States S Smith 6 6 2 6  
  United States S Smith 6 6 6