1990 Australian Men's Hardcourt Championships
| 1990 Australian Men's Hardcourt Championships | |
|---|---|
| Date | 1 – 7 January |
| Edition | 13th |
| Category | World Series |
| Surface | Hard / Outdoor |
| Location | Adelaide, Australia |
| Venue | Memorial Drive Park |
| Champions | |
| Singles | |
 Thomas Muster
|
|
| Doubles | |
 Andrew Castle /  Nduka Odizor
|
|
The 1990 Australian Men's Hardcourt Championships was a tennis tournament played on outdoor hard courts at the Memorial Drive Park in Adelaide in Australia and was part of the World Series of the 1990 ATP Tour. The tournament ran from 1 through 7 January 1990.
Thomas Muster defeated 
Jimmy Arias 3–6, 6–2, 7–5
Andrew Castle / Nduka Odizor defeated 
Alexander Mronz / 
Michiel Schapers 7–6, 6–2
...
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