1984 ATP Championship – Singles

Mats Wilander successfully defended his title, by defeating Anders Järryd 7–6, 6–3 in the final.

Seeds
• # 🇺🇸 John McEnroe (first round)

• # 🇺🇸 Jimmy Connors (semifinals)

• # 🇸🇪 Mats Wilander (champion)

• # 🇺🇸 Aaron Krickstein (first round)

• # 🇸🇪 Anders Järryd (final)

• # 🇦🇺 Pat Cash (first round)

• # 🇦🇷 Guillermo Vilas (second round)

• # 🇸🇪 Joakim Nyström (semifinals)

• # 🇫🇷 Henri Leconte (first round)

• # 🇺🇸 Scott Davis (first round)

• # 🇸🇪 Stefan Edberg (quarterfinals)

• # 🇦🇺 Paul McNamee (quarterfinals)

• # 🇺🇸 Leif Shiras (first round)

• # 🇺🇸 John Sadri (quarterfinals)

• # 🇭🇺 Balázs Taróczy (second round)

• # 🇺🇸 Brian Teacher (second round)