1975 Australian Open – Men's singles

John Newcombe defeated the defending champion Jimmy Connors in the final, 7–5, 3–6, 6–4, 7–6(9–7) to win the men's singles tennis title at the 1975 Australian Open. Newcombe became the first man in the Open Era to win a major after saving match points, saving three against Tony Roche in the semifinals.

Seeds
The seeded players are listed below. John Newcombe is the champion; others show the round in which they were eliminated.


 * 1) 🇺🇸 Jimmy Connors (finalist)
 * 2) 🇦🇺 John Newcombe (champion)
 * 3) 🇦🇺 Tony Roche (semifinals)
 * 4) 🇦🇺 John Alexander (quarterfinals)
 * 5) 🇦🇺 Ross Case (first round)
 * 6) Alex Metreveli (quarterfinals)
 * 7) 🇦🇺 Geoff Masters (quarterfinals)
 * 8) 🇦🇺 Phil Dent (second round)

Key

 * Q = Qualifier
 * WC = Wild card
 * LL = Lucky loser
 * r = Retired