Other notable first round losses were Petra Kvitova, Sara Errani and Tommy Haas.
However, Serena Williams, Victoria Azarenka, Li Na all won. Other notable wins on the women's side of the draw were by Samantha Stosur, Ana Ivanovic, Simona Halep, Caroline Wozniacki, Angelique Kerber and Jelena Jankovic.
Novak Djokovic, David Ferrer, Roger Federer,Tomas Berdych,Richard Gasquet, Stanislas Wawrinka, Jo-Wilfried Tsonga and Milos Raonic all won. John Isner retired after losing the first two sets with a bad ankle against lefty Martin Klizan.