2009 Australian Open – Men's singles final Open victory, Federer had not beaten Nadal in a Grand Slam since the 2007 Wimbledon final and many analysts pointed to the 2009 Australian Open final as the match which severely compromised Federer's belief that he could win against Nadal in a major. Mats Wilander proposed that Federer had developed a mental block while playing against Nadal and that their rivalry had become one-sided and predictable after this match. Tennis Channel commentator Justin Gimelstob referred to Federer's loss as a type of 'collateral damage' in which Federer not only lost a tennis match but also lost his last remaining stronghold
US Open (tennis) US Open (tennis) The United States Open Tennis Championships is a hard court tennis tournament. The tournament is the modern version of one of the oldest tennis championships in the world, the U.S. National Championship, for which men's singles was first played in 1881. Since 1987, the US Open has been chronologically the fourth and final Grand Slam tournament of the year. The other three, in chronological order, are the Australian Open, the French Open, and Wimbledon. The US Open starts on the last Monday of August and continues for two weeks, with the middle weekend coinciding with the U.S.