1988 New South Wales Open – Men's singles

Miloslav Mečíř was the defending champion, but did not compete this year.

John Fitzgerald won the title by defeating Andrei Chesnokov 6–3, 6–4 in the final.

Seeds
• # Christo van Rensburg (semifinals)

• # 🇦🇺 Wally Masur (first round)

• # Andrei Chesnokov (final)

• # 🇦🇺 Peter Doohan (second round)

• # 🇦🇺 John Fitzgerald (champion)

• # 🇦🇺 Darren Cahill (quarterfinals)

• # 🇺🇸 Joey Rive (semifinals)

• # Tom Nijssen (first round)