Australian Open 1978 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Guillermo Vilas | d. | John Marks | 6-4 6-4 3-6 6-3 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Guillermo Vilas | d. | Hank Pfister | 6-2 6-0 6-4 |
| John Marks | d. | Arthur Ashe | 6-4 6-2 2-6 1-6 9-7 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Guillermo Vilas | d. | Tony Roche | 3-6 6-1 3-6 6-3 6-2 |
| Hank Pfister | d. | Paul Kronk | 7-5 6-3 6-3 |
| Arthur Ashe | d. | Peter Feigl | 4-6 6-2 4-6 6-2 9-7 |
| John Marks | d. | John Alexander | 6-4 6-4 7-5 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Guillermo Vilas | d. | Allan Stone | 6-4 6-4 6-4 |
| Tony Roche | d. | Dale Collings | 6-1 6-2 6-3 |
| Paul Kronk | d. | Peter Mcnamara | 6-2 6-2 7-5 |
| Hank Pfister | d. | Wojtek Fibak | 6-3 7-6 6-1 |
| Peter Feigl | d. | Ken Rosewall | 2-6 4-6 7-5 6-4 10-8 |
| Arthur Ashe | d. | Kim Warwick | 2-6 6-2 7-5 4-6 6-3 |
| John Alexander | d. | Bob Carmichael | 6-3 6-2 6-2 |
| John Marks | d. | John Sadri | 6-2 6-2 4-6 6-4 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Guillermo Vilas | d. | Brad Drewett | 6-4 6-4 6-3 |
| Allan Stone | d. | Mark Edmondson | 6-4 3-6 6-3 6-4 |
| Tony Roche | d. | George Hardie | 6-3 6-4 6-4 |
| Dale Collings | d. | Victor Amaya | 6-4 3-6 6-3 7-6 |
| Peter Mcnamara | d. | Tim Gullikson | 6-2 6-3 7-6 |
| Paul Kronk | d. | Jai Dilouie | 2-6 7-5 6-4 4-6 6-1 |
| Hank Pfister | d. | Steve Docherty | 7-5 6-3 4-6 3-6 8-6 |
| Wojtek Fibak | d. | John James | 6-2 6-2 4-6 6-3 |
| Ken Rosewall | d. | Sherwood Stewart | 2-6 7-6 7-5 7-6 |
| Peter Feigl | d. | Bob Giltinan | 6-2 3-6 7-5 6-1 |
| Kim Warwick | d. | Dick Crealy | 7-6 6-1 6-3 |
| Arthur Ashe | d. | Raymond Moore | 6-4 6-4 6-3 |
| John Alexander | d. | Russell Simpson | 6-3 6-3 6-4 |
| Bob Carmichael | d. | Bernard Mitton | 6-4 2-6 7-6 6-3 |
| John Sadri | d. | Ross Case | 6-1 6-4 6-1 |
| John Marks | d. | Phil Dent | 6-7 6-3 6-2 6-2 |