Peter Doohan was the defending champion.
Eddie Edwards won the title, defeating Doohan 6–2, 6–4 in the final.
Seeds
n/a John Fitzgerald (quarterfinals) Jonathan Canter (first round) Amos Mansdorf (quarterfinals) Jeremy Bates (first round) Jonas Svensson (first round) Kelly Evernden (first round) Peter Doohan (final)
Draw
Finals
Top half
Bottom half
External links 1985 South Australian Open draw