1978 South American Championships – Singles

Guillermo Vilas was the defending champion but did not compete that year.

Singles
1978 South American Championships
1977 ChampionArgentina Guillermo Vilas
Final
ChampionArgentina José Luis Clerc
Runner-upParaguay Víctor Pecci
Score6–4, 6–4
Events
Singles Doubles
← 1977 · South American Championships · 1979 →

José Luis Clerc won in the final 6–4, 6–4 against Víctor Pecci.

Seeds

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

  1.   Corrado Barazzutti (semifinals)
  2.   Harold Solomon (semifinals)
  3.   José Higueras (quarterfinals)
  4.   José Luis Clerc (champion)
  5.   Hans Gildemeister (first round)
  6.   Paolo Bertolucci (second round)
  7.   Jaime Fillol (first round)
  8.   Chris Lewis (quarterfinals)

Draw

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First round Second round Quarterfinals Semifinals Final
1   C Barazzutti 6 6  
    B Prajoux 4 0   1   C Barazzutti 6 6  
    P Cornejo 3 6 2     H Varela 4 4  
    H Varela 6 1 6 1   C Barazzutti 6 6 6
    A Muñoz 4 6 1     C Kirmayr 4 7 3
    C Kirmayr 6 1 6     C Kirmayr 7 6  
    R Gehring 6 2 6     R Gehring 6 3  
7   J Fillol 3 6 2 1   C Barazzutti 4 4  
3   J Higueras 6 6       V Pecci 6 6  
    P McNamee 1 2   3   J Higueras 6 6  
    I Molina 6 6 4     A Pattison 4 2  
    A Pattison 4 7 6 3   J Higueras      
    J L Damiani 2 6 6     V Pecci w/o    
    P Dominguez 6 2 1     J L Damiani 3 6 1
    V Pecci 6 6       V Pecci 6 1 6
5   H Gildemeister 0 2       Víctor Pecci 4 4  
6   P Bertolucci 6 6   4   José Luis Clerc 6 6  
    F Dalla Fontana 4 2   6   P Bertolucci 6 2 6
    A Maurer 6 5 6     R Ycaza 4 6 8
    R Ycaza 4 7 8     R Ycaza 3 3  
    W Zirngibl 6 7   4   J L Clerc 6 6  
    G Barbosa 3 5       W Zirngibl 1 1  
    R Cano 1 2   4   J L Clerc 6 6  
4   J L Clerc 6 6   4   J L Clerc 6 1 6
8   C Lewis 6 6   2   H Solomon 2 6 2
    G Hardie 2 2   8   C Lewis 5 6 6
    J Andrew 4 7 6     J Andrew 7 0 2
    L Álvarez 6 5 1 8   C Lewis 3 2  
    J Soares 6 3 9 2   H Solomon 6 6  
    P Kronk 2 6 7     J Soares 4 2  
    V Winitsky 6 4 4 2   H Solomon 6 6  
2   H Solomon 2 6 6
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