1984 WCT Tournament of Champions – Singles

John McEnroe was the defending champion and successfully defended his title, by defeating Ivan Lendl 6–4, 6–2 in the final.

In the semifinal match, Lendl defeated Jimmy Connors with a score of 6–0, 6–0, marking the third time ever (and the first time in the men's circuit) that a former World No.1 receives a double bagel in official matches.

Seeds
Some seeds received a bye into the second round. • # 🇺🇸 Jimmy Connors (semifinals)

• # 🇺🇸 John McEnroe (champion)

• # Ivan Lendl (final)

• # 🇺🇸 Jimmy Arias (semifinals)

• # 🇺🇸 Johan Kriek (quarterfinals)

• # 🇺🇸 Vitas Gerulaitis (third round)

• # 🇦🇺 Brad Drewett (quarterfinals)

• # 🇺🇸 Sandy Mayer (second round)

• # 🇺🇸 Mike Bauer (second round)

• # Pedro Rebolledo (first round)

• # 🇦🇺 John Fitzgerald (second round)

• # 🇺🇸 Brian Gottfried (second round)

• # 🇺🇸 Aaron Krickstein (quarterfinals)