No. 19 Tommy Robredo defeated five time US Open champion Roger Federer in straight sets during the Round of 16.
Federer had advanced to the US Open quarterfinals 9 straight years from 2004 to 2012.
Before losing to Robredo, Roger Federer had won all 10 of his previous matches against Robredo.
Also for the first time since 2002, Federer has been unable to make at least one Grand Slam finals appearances.