1978 Australian Open – Men's singles


Guillermo Vilas defeated John Marks in the final, 6–4, 6–4, 3–6, 6–3 to win the men's singles tennis title at the 1978 Australian Open. It was his first Australian Open title and third major title overall.
Vitas Gerulaitis was the reigning champion, but did not compete this year.
This tournament marked the final major appearance of four-time champion and former world No. 1 Ken Rosewall; he was defeated in the third round by Peter Feigl.

Seeds

The seeded players are listed below. Guillermo Vilas is the champion; others show the round in which they were eliminated.
  1. Guillermo Vilas
  2. José Luis Clerc '
  3. Arthur Ashe '
  4. Tim Gullikson '
  5. Wojtek Fibak '
  6. John Alexander '
  7. Ken Rosewall '
  8. Victor Amaya '
  9. Hank Pfister '
  10. Yannick Noah '
  11. Tony Roche '
  12. Peter Feigl '
  13. Kim Warwick '
  14. Geoff Masters '
  15. Bernard Mitton '
  16. Allan Stone ''''