Maria Sharapova eats a banana during a break in play against Ayumi Morita of Japan

Victoria Azarenka breaks her racket

Dominika Cibulkova celebrates winning her fourth round match

Novak Djokovic returns the ball to Andreas Seppi of Italy

Kaia Kanepi draws a heart on the clay with her racket

Stanislas Wawrinka of Switzerland falls during his match against Jo-Wilfried Tsonga of France

Caroline Wozniacki reacts during her match against Kaia Kanepi of Estonia while ball boy watches in amusement.

Rafael Nadal celebrating his birthday

Czech Republic's Klara Zakopalova in action during her fourth round match