It was a day that saw Andy Roddick's career come to an end and also was witness to Roger Federer's elimination from the tournament. All the action from the tenth day of the 2012 edition of the US Open.
Juan Martin del Potro brought down the curtain on Andy Roddick's career in an epic match lasting four sets including two tie-breakers winning 6-7, 7-6, 6-2, 6-4.
Tomas Berdych upset the balance of things as he defeated this year's Wimbledon winner Roger Federer 7-6, 6-4, 3-6, 6-3.
Novak Djokovic had no such issues against Stanislas Wawrinka as he took the first two sets 6-4, 6-1 and was 3-1 up in the third set when Wawrinka had to retire from the match.
Janko Tipsarevic did not waste much time on Philipp Kohlschreiber winning in straight sets to take the match 6-3, 7-6, 6-2.
Serena Williams brushed aside Ana Ivanovic 6-1, 6-3 to book her semifinal berth at this year's US Open.
Maria Sharapova conceded the first set to Marion Bartoli but came back to win the next two to earn a spot in the last four through her 3-6, 6-3 6-4 victory.
Sara Errani brought an end to Roberta Vinci's run in the tournament ending her journey in the quarterfinals by beating her 6-2, 6-4.