Poland's Agnieszka Radwanska stretches for a return to Romania's Irina-Camelia Begu during their second-round match at the Australian Open tennis championship in Melbourne, Australia, on Wednesday, Jan. 16, 2013. (AP Photo/Greg Baker)

Photo by: Greg Baker

Poland's Agnieszka Radwanska stretches for a return to Romania's Irina-Camelia Begu during their second-round match at the Australian Open tennis championship in Melbourne, Australia, on Wednesday, Jan. 16, 2013. (AP Photo/Greg Baker)