1984 US Open – Men's singles
John McEnroe defeated Ivan Lendl in the final, 6–3, 6–4, 6–1 to win the men's singles tennis title at the 1984 US Open. It was Lendl's third consecutive runner-up finish at the US Open. Jimmy Connors was the two-time defending champion, but he was defeated by his rival McEnroe in the semifinals, in the last match between the two at a major singles tournament.