Caroline Wozniacki waves to the crowd after beating Anna Tatishvili during their second-round match at the Australian Open, in Melbourne, Australia, Wednesday, Jan. 18, 2012. (AP Photo/Rick Rycroft)

Photo by: Rick Rycroft

Caroline Wozniacki waves to the crowd after beating Anna Tatishvili during their second-round match at the Australian Open, in Melbourne, Australia, Wednesday, Jan. 18, 2012. (AP Photo/Rick Rycroft)