1998 Sydney International – Men's singles

Tim Henman was the defending champion, but lost in the final to Karol Kučera 7–5, 6–4.

Seeds
• # 🇦🇺 Patrick Rafter (semifinals)

• # 🇸🇪 Jonas Björkman (first round)

• # 🇪🇸 Carlos Moyá (first round)

• # 🇪🇸 Sergi Bruguera (first round)

• # 🇪🇸 Àlex Corretja (first round)

• # 🇬🇧 Tim Henman (final)

• # 🇪🇸 Albert Costa (quarterfinals)

• # 🇫🇷 Cédric Pioline (first round)