1989 South Australian Open – Singles

Mark Woodforde was the defending champion and won in the final 7–5, 1–6, 7–5 against Patrik Kühnen.

Seeds

 * 1)  Andrei Chesnokov (first round)
 * 2) 🇦🇺 Darren Cahill (first round)
 * 3)  Slobodan Živojinović (first round)
 * 4) 🇦🇺 Mark Woodforde (champion)
 * 5) 🇦🇺 Wally Masur (quarterfinals)
 * 6) 🇦🇺 John Frawley (first round)
 * 7)  Patrik Kühnen (final)
 * 8) 🇦🇺 Jason Stoltenberg (second round)