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
2011 Open Championship Ben Curtis (2,4), John Daly, David Duval (2), Ernie Els (2,4,6,7,16), Todd Hamilton (2), Pádraig Harrington (2,4,6,7,14,20), Paul Lawrie, Tom Lehman, Justin Leonard (4), Sandy Lyle, Mark O'Meara, Louis Oosthuizen (2,4,5,6,7) 2. The Open Champions for 2001–2010 3. Past Open Champions born between 17 July 1945 and 19 July 1948 4. Past Open Champions finishing in the top 10 and tying for 10th place in The Open Championship 2006–2010 Tom Watson 5. First 10 and anyone tying for 10th place in the 2010 Open Championship Paul Casey (6,7,8,16), Retief Goosen (6,7,16), Martin Kaymer (6,7,14,20), Rory McIlroy (6,7,12,20), Sean O'Hair, Robert