(AP Photo/Hamish Blair)Novak Djokovic is gaining on Roger Federer and Rafael Nadal in the Grand Slam standings, and he’s already caught Federer in another significant sta...

Spain's Rafael Nadal celebrates after defeating United States' Michael Mmoh during their second round match at the Australian Open tennis championship in Melbourne, Austr...

United States' Serena Williams makes a backhand return to Australia's Daria Gavrilova during a tuneup tournament ahead of the Australian Open tennis championships in Melb...