2011 Australian Open was taken from the "Serena Slam" which was coined when Serena Williams won all four Grand Slam titles in a row spanning two calendar years, which in turn was taken from the "Tiger Slam" in which golfer Tiger Woods accomplished a similar feat in golf. Nadal was the number one seed and led the field. The other top ten seeds were; sixteen time Grand Slam champion, Roger Federer, 2008 Australian Open winner Novak Djokovic, two time Grand Slam finalists Robin Söderling and Andy Murray, Wimbledon runner up Tomáš Berdych, David Ferrer, 2003 US Open champion Andy Roddick, Fernando Verdasco and
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