The 1998 Adelaide International was a men's ATP tennis tournament played on outdoor hard courts in Adelaide, Australia. The tournament was held from 5 to 12 January. Sixteen-year old Lleyton Hewitt won the first title of his career.
Lleyton Hewitt defeated Jason Stoltenberg, 3âÂÂ6, 6âÂÂ3, 7âÂÂ6<sup>(7âÂÂ4)</sup>.
Joshua Eagle / Andrew Florent defeated Ellis Ferreira / Rick Leach, 6âÂÂ4, 6âÂÂ7, 6âÂÂ3.