Lleyton Hewitt of Australia reacts between points during his first round match against Andreas Seppi of Italy at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 14, 2014. (AP Photo/Eugene Hoshiko)
Jo-Wilfried Tsonga of France makes a forehand return to Roger Federer of Switzerland at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2014.(AP Photo/Aaron Favila)
Eugenie Bouchard of Canada makes a forehand return to Ana Ivanovic of Serbia during their quarterfinal at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2014. (AP Photo/Rick Rycroft)