Maria Sharapova of Russia celebrates after defeating Karin Knapp of Italy during their second round match at the Australian Open tennis championship in Melbourne, Australia, Thursday, Jan. 16, 2014.(AP Photo/Aaron Favila)

Australian Open Tennis

Maria Sharapova of Russia celebrates after defeating Karin Knapp of Italy during their second round match at the Australian Open tennis championship in Melbourne, Australia, Thursday, Jan. 16, 2014.(AP Photo/Aaron Favila)

Top Ranked Players
More Rankings