Buenos Aires 1977 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Guillermo Vilas | d. | Jaime Fillol | 6-2 7-5 3-6 6-3 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Guillermo Vilas | d. | Hans Gildemeister | 7-6 6-4 |
| Jaime Fillol | d. | Victor Pecci | 4-6 6-1 6-4 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Guillermo Vilas | d. | Belus Prajoux | 6-3 6-2 |
| Hans Gildemeister | d. | Mike Fishbach | 6-2 6-2 |
| Victor Pecci | d. | Gene Mayer | 6-3 6-7 6-1 |
| Jaime Fillol | d. | Patricio Cornejo | 6-1 6-0 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Guillermo Vilas | d. | Ivan Molina | 6-3 6-0 |
| Belus Prajoux | d. | Ion Tiriac | 7-6 7-5 |
| Hans Gildemeister | d. | Henry Bunis | 6-3 6-0 |
| Mike Fishbach | d. | Paul Mcnamee | 6-4 6-4 |
| Victor Pecci | d. | Zan Guerry | 6-3 6-2 |
| Gene Mayer | d. | Jose Higueras | 6-1 6-4 |
| Patricio Cornejo | d. | Jaime Pinto Bravo | 4-6 6-4 6-1 |
| Jaime Fillol | d. | Carlos Kirmayr | 6-4 7-5 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Guillermo Vilas | d. | Eric Deblicker | 7-6 6-2 |
| Ivan Molina | d. | Carlos Lando | 6-4 2-6 11-9 |
| Ion Tiriac | d. | Lito Alvarez | 6-2 7-6 |
| Belus Prajoux | d. | Georges Goven | 6-4 6-4 |
| Hans Gildemeister | d. | Javier Soler | 7-6 6-4 |
| Henry Bunis | d. | Bruce Manson | 7-6 7-5 |
| Paul Mcnamee | d. | Alvaro Betancur | 6-2 6-4 |
| Mike Fishbach | d. | Jorge Andrew | 6-4 6-4 |
| Victor Pecci | d. | Jairo Velasco | 4-6 6-2 6-3 |
| Zan Guerry | d. | Onny Parun | 6-1 3-6 6-3 |
| Gene Mayer | d. | Antonio Munoz | 6-4 6-3 |
| Jose Higueras | d. | Enrique Caviglia | 6-1 6-1 |
| Jaime Pinto Bravo | d. | Ricardo Cano | 4-6 7-5 6-3 |
| Patricio Cornejo | d. | Fernando Dalla Fontana | 6-4 6-7 7-5 |
| Carlos Kirmayr | d. | Jose Luis Clerc | 7-5 0-6 6-3 |
| Jaime Fillol | d. | Ramiro Benavides | 6-4 7-6 |