Grand Slam · 1978-12-25 · draw of 64
Australian Open 1978
GrassFinal
| 🇦🇷 Guillermo Vilas | d. | 🇦🇺 John Marks | 6-4 6-4 3-6 6-3 | H2H |
Semifinals
| 🇦🇺 John Marks | d. | 🇺🇸 Arthur Ashe | 6-4 6-2 2-6 1-6 9-7 | H2H |
| 🇦🇷 Guillermo Vilas | d. | 🇺🇸 Henry Pfister | 6-2 6-0 6-4 | H2H |
Quarterfinals
| 🇺🇸 Henry Pfister | d. | 🇦🇺 Paul Kronk | 7-5 6-3 6-3 | H2H |
| 🇦🇺 John Marks | d. | 🇦🇺 John Alexander | 6-4 6-4 7-5 | H2H |
| 🇺🇸 Arthur Ashe | d. | 🇦🇹 Peter Feigl | 4-6 6-2 4-6 6-3 6-2 | H2H |
| 🇦🇷 Guillermo Vilas | d. | 🇦🇺 Tony Roche | 3-6 6-1 3-6 6-3 6-2 | H2H |
Round of 16
| 🇦🇺 John Marks | d. | 🇺🇸 John Sadri | 6-2 6-2 4-6 6-4 | H2H |
| 🇦🇺 Paul Kronk | d. | 🇦🇺 Peter McNamara | 6-2 6-2 7-5 | H2H |
| 🇦🇺 Tony Roche | d. | 🇦🇺 Dale Collings | 6-1 6-2 6-3 | H2H |
| 🇦🇹 Peter Feigl | d. | 🇦🇺 Ken Rosewall | 2-6 4-6 7-5 6-4 10-8 | H2H |
| 🇦🇺 John Alexander | d. | 🇦🇺 Bob Carmichael | 6-3 6-2 6-2 | H2H |
| 🇺🇸 Henry Pfister | d. | 🇵🇱 Wojtek Fibak | 6-3 7-6 6-1 | H2H |
| 🇺🇸 Arthur Ashe | d. | 🇦🇺 Kim Warwick | 2-6 6-2 7-5 4-6 6-3 | H2H |
| 🇦🇷 Guillermo Vilas | d. | 🇦🇺 Allan Stone | 6-4 6-4 6-4 | H2H |
Round of 32
| 🇺🇸 John Sadri | d. | 🇦🇺 Ross Case | 6-1 6-4 6-1 | H2H |
| 🇦🇺 John Marks | d. | 🇦🇺 Phil Dent | 6-7 6-3 6-2 6-2 | H2H |
| 🇦🇺 Paul Kronk | d. | 🇺🇸 Jai Dilouie | 2-6 7-5 6-4 4-6 6-1 | H2H |
| 🇦🇺 Allan Stone | d. | 🇦🇺 Mark Edmondson | 6-4 3-6 6-3 6-4 | H2H |
| 🇦🇺 Bob Carmichael | d. | 🇿🇦 Bernard Mitton | 6-4 2-6 7-6 6-3 | H2H |
| 🇦🇺 Kim Warwick | d. | 🇦🇺 Dick Crealy | 7-6 6-1 6-3 | H2H |
| 🇦🇹 Peter Feigl | d. | 🇦🇺 Bob Giltinan | 6-2 3-6 7-5 6-1 | H2H |
| 🇦🇺 Tony Roche | d. | 🇺🇸 George Hardie | 6-3 6-4 6-4 | H2H |
| 🇺🇸 Henry Pfister | d. | 🇦🇺 Steve Docherty | 7-5 6-3 4-6 3-6 8-6 | H2H |
| 🇦🇺 Dale Collings | d. | 🇺🇸 Victor Amaya | 6-4 3-6 6-3 7-6 | H2H |
| 🇦🇺 Ken Rosewall | d. | 🇺🇸 Sherwood Stewart | 2-6 7-6 7-5 7-6 | H2H |
| 🇦🇺 John Alexander | d. | 🇳🇿 Russell Simpson | 6-3 6-3 6-4 | H2H |
| 🇵🇱 Wojtek Fibak | d. | 🇦🇺 John James | 6-2 6-2 4-6 6-3 | H2H |
| 🇦🇺 Peter McNamara | d. | 🇺🇸 Tim Gullikson | 6-2 6-3 7-6 | H2H |
| 🇺🇸 Arthur Ashe | d. | 🇿🇦 Raymond Moore | 6-4 6-4 6-3 | H2H |
| 🇦🇷 Guillermo Vilas | d. | 🇦🇺 Brad Drewett | 6-4 6-4 6-3 | H2H |