1985 Tokyo Indoor – Singles

Jimmy Connors was the defending champion, but he withdrew from his semifinals match this year.

Ivan Lendl won the tournament, beating Mats Wilander in the final, 6–0, 6–4.

Seeds
• # Ivan Lendl (champion)

• # 🇸🇪 Mats Wilander (final)

• # 🇺🇸 Jimmy Connors (semifinals, withdrew)

• # Boris Becker (semifinals)

• # 🇸🇪 Anders Järryd (quarterfinals)

• # 🇪🇨 Andrés Gómez (quarterfinals)

• # Tomáš Šmíd (first round)

• # 🇺🇸 Tim Mayotte (quarterfinals)