1985 South Australian Open – Singles

Peter Doohan was the defending champion.

Eddie Edwards won the title, defeating Doohan 6–2, 6–4 in the final.

Seeds

 * 1) n/a
 * 2) 🇦🇺 John Fitzgerald (quarterfinals)
 * 3) 🇺🇸 Jonathan Canter (first round)
 * 4) 🇮🇱 Amos Mansdorf (quarterfinals)
 * 5) 🇬🇧 Jeremy Bates (first round)
 * 6) 🇸🇪 Jonas Svensson (first round)
 * 7) 🇳🇿 Kelly Evernden (first round)
 * 8) 🇦🇺 Peter Doohan (final)