(L-R) Lleyton Hewitt of Australia, Eugenie Bouchard of Canada, Samantha Stosur of Australia, Roger Federer of Switzerland, Victoria Azarenka of Belarus, Rafael Nadal of Spain and Patrick Rafter of Australia pose for photos during the Kids Day exhibition match ahead of the Australian Open tennis tournament in Melbourne, Australia, Jan. 11, 2014. (Xinhua/Bai Xue) |