Mark Woodforde was the defending champion and won in the final 7–5, 1–6, 7–5 against Patrik Kühnen.
Seeds
Andrei Chesnokov (first round) Darren Cahill (first round) Slobodan Živojinović (first round) Mark Woodforde (champion) Wally Masur (quarterfinals) John Frawley (first round) Patrik Kühnen (final) Jason Stoltenberg (second round)
Draw
Finals
Top half
Bottom half
External links 1989 South Australian Open draw