1987 Italian Open – Men's singles

Ivan Lendl was the defending champion, but lost in third round to Joakim Nyström.

Mats Wilander won the title by defeating Martín Jaite 6–3, 6–4, 6–4 in the final.

Seeds
• # Ivan Lendl (third round)

• # 🇸🇪 Mats Wilander (champion)

• # Miloslav Mečíř (first round)

• # 🇫🇷 Yannick Noah (first round)

• # 🇫🇷 Henri Leconte (third round, retired)

• # 🇺🇸 John McEnroe (semifinals)

• # 🇪🇨 Andrés Gómez (quarterfinals)

• # 🇸🇪 Kent Carlsson (quarterfinals)

• # 🇸🇪 Mikael Pernfors (third round)

• # 🇪🇸 Emilio Sánchez (third round)

• # 🇦🇷 Martín Jaite (final)

• # 🇦🇷 Guillermo Vilas (first round)

• # 🇸🇪 Jonas Svensson (second round)

• # 🇸🇪 Ulf Stenlund (third round)

• # 🇸🇪 Joakim Nyström (semifinals)

• # 🇫🇷 Thierry Tulasne (second round)