1985 ATP Championship – Singles

Mats Wilander was the defending champion, but lost in the final to Boris Becker. The score was 6–4, 6–2.

Seeds
• 🇸🇪 Mats Wilander (final)

• 🇸🇪 Anders Järryd (quarterfinals)

• 🇫🇷 Yannick Noah (third round)

• 🇩🇪 Boris Becker (champion)

• 🇸🇪 Stefan Edberg (quarterfinals)

• 🇸🇪 Joakim Nyström (semifinals)

• 🇺🇸 Johan Kriek (first round)

• 🇸🇪 Henrik Sundström (third round)

• 🇦🇷 Martín Jaite (first round)

• 🇺🇸 David Pate (second round)

• 🇺🇸 Greg Holmes (first round)

• 🇫🇷 Henri Leconte (first round)

• 🇦🇷 José Luis Clerc (second round)

• 🇺🇸 Ben Testerman (first round)

• 🇺🇸 Mike Leach (first round)

• 🇮🇳 Ramesh Krishnan (first round)