bild

epa03385395 Serena Williams of the US hits a return to Ana Ivanovic of Serbia during their quarterfinals round match on the tenth day of the 2012 US Open Tennis Championship at the USTA National Tennis Center in Flushing Meadows, New York, USA, 05 September 2012. The US Open runs through Sunday 09 September 2012. EPA/LARRY W. SMITH