Martin Kaymer golfer in the world, making him only the second German (after Bernhard Langer) to be the top-ranked golfer in the world. At the time he was the second youngest to reach world number one behind Tiger Woods, soon surpassed by Rory McIlroy in March 2012, who gained the top ranking at age 22. In April, he relinquished his number one ranking after eight weeks to Westwood, who won the Indonesian Masters. After reaching the number one ranking, Kaymer decided to undergo a swing change to be able to move the ball both ways. Frustrated with his disappointing results at the
2006 US Open (tennis) 2006 US Open (tennis) The 2006 US Open began 28 August and finished on 10 September 2006. Roger Federer was successful in defending his 2005 title, defeating 2003 champion Andy Roddick in the final. Kim Clijsters was unable to defend her title due to injury. 19-year-old Maria Sharapova won her second Grand Slam title, defeating Justine Henin-Hardenne in the final. It was Henin-Hardenne's third Grand Slam final loss of 2006, having lost the Australian Open and Wimbledon finals earlier in the year. Roger Federer defeated Andy Roddick, 6–2, 4–6, 7–5, 6–1 Maria Sharapova defeated Justine Henin-Hardenne, 6–4, 6–4 Martin Damm