1979 US Open – Men's Singles umpire being replaced before McEnroe ran out the winner. John McEnroe defeated Vitas Gerulaitis 7–5, 6–3, 6–3 in the final to win the Men's Singles tennis title at the 1979 US Open. The seeded players are listed below. John McEnroe is the champion; others show the round in which they were eliminated. 1979 US Open – Men's Singles Jimmy Connors was the defending champion but lost in the semifinals to John McEnroe. Connors' loss broke a string of five consecutive men's finals reached, a record since broken by Ivan Lendl. During the second round Ilie Nastase was defaulted from his
2010 US Open – Men's Singles 2010 US Open – Men's Singles Juan Martín del Potro was the defending champion, but chose not to participate this year, after undergoing a wrist operation in May and only starting to practice again in August. Del Potro was the third man in the Open Era not to defend his US Open title, after Ken Rosewall in 1971 (due to conflicts between the World Championship Tennis (WCT) and the International Lawn Tennis Federation (ILTF)), and Pete Sampras in 2003 (who unofficially retired after the 2002 final). For the first time in U.S. Open history, no American player was seeded in