1973 South American Open – Singles

Singles
1973 South American Open
Champion Guillermo Vilas
Runner-up Björn Borg
Score3–6, 6–7, 6–4, 6–6 ret.
Draw32

Guillermo Vilas defeated Björn Borg 3–6, 6–7, 6–4, 6–6 after Borg retired to win the 1973 ATP Buenos Aires singles competition. Karl Meiler was the champion but did not defend his title.

Draw

  • NB: All rounds up to but not including the semifinals were the best of 3 sets. The semifinals and final were the best of 5 sets.

Final

Final
  Björn Borg 6 7 4 6 R
  Guillermo Vilas 3 6 6 6  

Section 1

First round Second round Quarterfinals Semifinals
  B Borg 6 6      
  R Caviglia 0 2         B Borg 6 7      
  R Cano 6 6         R Cano 4 6      
  A Cornejo 3 4         B Borg 6 3 6    
  I Țiriac 6 6         I Țiriac 1 6 3    
  H Romani 4 0         I Țiriac 6 6      
  P Cornejo 6 6         P Cornejo 1 4      
  V Pecci 2 3         B Borg 6 6 6    
  I Molina 6 6         I Molina 2 3 2    
  N Kalogeropoulos 1 3         I Molina 7 6      
  J Ganzábal 7 6         J Ganzábal 6 0      
  A Pierola 6 3         I Molina 6 2 6    
  Z Franulović 6 6         Z Franulović 4 6 3    
  C Gattiker 2 1         Z Franulović 6 6      
  T Koch 6 6         T Koch 4 2      
  F Dalla Fontana 1 2      

Section 2

First round Second round Quarterfinals Semifinals
  F Mastelli 6 2 4    
  J-B Chanfreau 4 6 6       J-B Chanfreau 1 6 2    
  T Lynch 2 2         T Ovici 6 0 6    
  T Ovici 6 6         T Ovici 4 3      
  E Zuleta 2 0         G Vilas 6 6      
  H Kary 6 6         H Kary 2 1      
  R Gratz 5 6         G Vilas 6 6      
  G Vilas 7 7         G Vilas 6 6 7    
  H Varela 2 7 1       E Dibbs 4 1 6    
  J Pinto-Bravo 6 6 6       J Pinto-Bravo 6 6      
  J Rivera 2 3         K Johansson 3 2      
  K Johansson 6 6         J Pinto-Bravo 1 2      
  L Soriano 1 0         E Dibbs 6 6      
  E Mandarino 6 6         E Mandarino 3 4      
  T Quintin 2 3         E Dibbs 6 6      
  E Dibbs 6 6