Buenos Aires CH 1980 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Eduardo Bengoechea | d. | Carlos Castellan | 7-6 6-2 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Eduardo Bengoechea | d. | Diego Perez | 6-1 7-5 |
| Carlos Castellan | d. | Ricardo Cano | 6-2 7-6 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Carlos Castellan | d. | Enrique Caviglia | 7-5 2-6 6-4 |
| Diego Perez | d. | Gustavo Tiberti | 6-2 6-4 |
| Eduardo Bengoechea | d. | Charles Buzz Strode | 6-7 6-1 6-1 |
| Ricardo Cano | d. | Fernando Dalla Fontana | 6-2 6-3 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Diego Perez | d. | Gregoire Rafaitin | 7-6 1-6 8-6 |
| Fernando Dalla Fontana | d. | Roberto Arguello | 6-1 6-0 |
| Enrique Caviglia | d. | Carlos Gattiker | 3-6 7-6 6-4 |
| Charles Buzz Strode | d. | Carlos Lando | 6-3 3-6 6-3 |
| Gustavo Tiberti | d. | Francisco Mastelli | 6-2 6-4 |
| Carlos Castellan | d. | Pedro Rebolledo | 6-4 6-3 |
| Eduardo Bengoechea | d. | Heinz Gildemeister | 6-2 6-4 |
| Ricardo Cano | d. | Ricardo Rivera | 6-4 3-6 6-3 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Ricardo Rivera | d. | Morris Skip Strode | 6-4 6-3 |
| Gregoire Rafaitin | d. | Jorge Todero | 6-3 6-1 |
| Francisco Mastelli | d. | Ivan Camus | 6-4 6-3 |
| Carlos Lando | d. | Alejandro Cerundolo | 6-2 4-6 6-1 |
| Heinz Gildemeister | d. | Filip Krajcik | 6-1 6-3 |
| Enrique Caviglia | d. | Hugo Varela | 6-4 7-6 |
| Carlos Castellan | d. | Alejandro Ganzabal | 6-3 6-1 |
| Roberto Arguello | d. | Andres Molina | 1-6 6-1 6-1 |
| Fernando Dalla Fontana | d. | Philippe Pinet | 6-1 6-2 |
| Diego Perez | d. | Ramiro Benavides | 7-6 7-5 |
| Carlos Gattiker | d. | Roberto Carruthers | 6-1 3-6 6-2 |
| Charles Buzz Strode | d. | Juan Carlos Yunis | 6-3 6-1 |
| Gustavo Tiberti | d. | Joao Soares | 6-3 5-7 6-1 |
| Pedro Rebolledo | d. | Marco Alciati | 6-1 6-3 |
| Eduardo Bengoechea | d. | Javier Restrepo | 7-6 0-6 6-4 |
| Ricardo Cano | d. | Alejandro Gattiker | 7-6 6-3 |