Guillermo Vilas's Grand Slam Titles, Finals
Guillermo Vilas's record in Grand Slam major singles finals.
| YEAR | EVENT | WINNER | RUNNER-UP | SCORE |
| 1982 | French Open | Mats Wilander | Guillermo Vilas | 1-6, 7-6(6), 6-0, 6-4 |
| 1979 | Australian Open | Guillermo Vilas | John Sadri | 7-6(4), 6-3, 6-2 |
| 1978 | French Open | Bjorn Borg | Guillermo Vilas | 6-1, 6-1, 6-3 |
| 1978 | Australian Open | Guillermo Vilas | John Marks | 6-4, 6-4, 3-6, 6-3 |
| 1977 | US Open | Guillermo Vilas | Jimmy Connors | 2-6, 6-3, 7-6, 6-0 |
| 1977 | French Open | Guillermo Vilas | Brian Gottfried | 6-0, 6-3, 6-0 |
| 1977 | Australian Open | Roscoe Tanner | Guillermo Vilas | 6-3, 6-3, 6-3 |
| 1975 | French Open | Bjorn Borg | Guillermo Vilas | 6-2, 6-3, 6-4 |
- Grand Slam Finals Appearances: 8
- Grand Slam Titles: 4
- Grand Slam Finals Record: 4-4