1986 US Open – Men's Singles 1986 US Open – Men's Singles Ivan Lendl was the defending champion and retained his title, defeating Miloslav Mečíř 6–4, 6–2, 6–0 in the final to win the Men's Singles tennis title at the 1986 US Open. This tournament was notable for being the first Grand Slam in which Andre Agassi competed in the main draw. He would go on to play an Open Era record 21 consecutive US Open tournaments, until his retirement in 2006. This was also the first US Open in history where no American reached the semifinals. The seeded players are listed below. Ivan Lendl is
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