First-seeded James Anderson defeated Gerald Patterson 11–9, 2–6, 6–2, 6–3 in the final to win the men's singles tennis title at the 1925 Australasian Championships.

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

James Anderson (champion) Gerald Patterson (finalist) Pat O'Hara Wood (semifinals) Norman Peach (quarterfinals) Fred Kalms (quarterfinals) Bob Schlesinger (semifinals) Gar Hone (quarterfinals) Jack Cummings (second round)

Draw

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

Finals

Earlier rounds

Section 1

Section 2

Section 3

Section 4

External links

Source for the draw Sources for seedings