1988 Player's Canadian Open – Men's singles

Ivan Lendl was the defending champion.

Lendl successfully defended his title, defeating Kevin Curren 7–6(12–10), 6–2 in the final.

Seeds
• # Ivan Lendl (champion)

• # 🇸🇪 Stefan Edberg (second round)

• # Boris Becker (withdrew)

• # 🇺🇸 Jimmy Connors (semifinals)

• # 🇦🇺 Pat Cash (quarterfinals)

• # 🇺🇸 Tim Mayotte (quarterfinals)

• # 🇪🇨 Andrés Gómez (third round)

• # 🇺🇸 John McEnroe (quarterfinals)

• # 🇸🇪 Anders Järryd (second round)

• # 🇮🇱 Amos Mansdorf (first round)

• # Slobodan Živojinović (first round)

• # 🇦🇺 John Fitzgerald (second round)

• # Jakob Hlasek (third round)

• # 🇺🇸 Kevin Curren (final)

• # 🇸🇪 Peter Lundgren (third round)

• # 🇺🇸 Jay Berger (third round)