1990 Australian Indoor Championships – Singles
was the defending champion but lost in the semifinals to Stefan Edberg.
Boris Becker won in the final 7–6, 6–4, 6–4 against Edberg.Seeds
All sixteen seeds received a bye to the second round.
- Stefan Edberg '
- Boris Becker
- Ivan Lendl '
- Brad Gilbert '
- Aaron Krickstein '
- Michael Chang '
- Richard Fromberg '
- Richey Reneberg '
- David Wheaton '
- Wally Masur '
- Carl-Uwe Steeb '
- Derrick Rostagno '
- Darren Cahill '
- Jim Grabb '
- Mark Kratzmann '
- Kelly Evernden
Draw
Finals
Top Half
Section 1
Section 2
Section 3
Section 4