1998 Australian Men's Hardcourt Championships

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.

Singles
🇦🇺 Lleyton Hewitt defeated 🇦🇺 Jason Stoltenberg, 3–6, 6–3, 7–6(7–4).

Doubles
🇦🇺 Joshua Eagle / 🇦🇺 Andrew Florent defeated Ellis Ferreira / 🇺🇸 Rick Leach, 6–4, 6–7, 6–3.