The four-time US Open winner is John McEnroe, a former American professional tennis player. He won seven Grand Slam singles titles, including four US Open titles in 1979, 1980, 1981, and 1984. He was also a three-time Wimbledon champion and a two-time French Open champion. McEnroe was known for his aggressive playing style and his on-court outbursts. He was inducted into the International Tennis Hall of Fame in 1999.