1984 Las Vegas AT&T Challenge of Champions

The 1984 Las Vegas AT&T Challenge of Champions was a tennis tournament held in 1984 at the Thomas & Mack Center in Paradise, Nevada. It was won by John McEnroe, 7–5, 6–0 against Guillermo Vilas.

Players
• # 🇺🇸 John McEnroe (champion)

• # 🇦🇷 Guillermo Vilas (final)

• # 🇫🇷 Yannick Noah (3rd place)

• # 🇺🇸 Jimmy Connors (4th place)

• # Ivan Lendl (round-robin)

• # 🇺🇸 Vitas Gerulaitis (round-robin)

• # 🇺🇸 Jimmy Arias (round-robin)

• # Johan Kriek (round-robin)

Group B
''Standings were determined by: 1) A points system, with players receiving 1 point for each set won, and a further 1 point for each match won; and 2) In two-player ties, head-to-head records. The players finishing in 1st place in each group reach the final, while the players finishing in 2nd place progressed into a 3rd place match.''