Martin Kaymer he led each round of the U.S. Open and won his second major by eight strokes. Born in Düsseldorf, West Germany, Kaymer turned professional at age 20 in 2005 and is a member of the European Tour. He has won eleven tournaments on the tour including four in 2010 to win for the first time the Race to Dubai, formerly the Order of Merit. Among those wins was the PGA Championship in the United States, which made him only the second German (after Bernhard Langer) to win a major championship. He also won the WGC-HSBC Champions to become the tenth
2013 US Open – Men's Singles final. Roger Federer's streak of nine consecutive US Open quarterfinals ended when he lost to Tommy Robredo in the fourth round, marking his earliest exit from the tournament since 2003. Novak Djokovic "(Final)" 2013 US Open – Men's Singles Andy Murray was the defending champion, but was defeated in the quarterfinals by Stan Wawrinka. Rafael Nadal won the title, defeating Novak Djokovic in the final to claim a second US Open title and win his thirteenth grand slam. The win moved him to 13 grand slam titles, and moved to third place on the all time men's singles Grand Slam