'Your papers, please' must never be heard in America
With the third round complete for the leading players at Melbourne Park, only one of the first eight men's seeds did not advance: No. 6 Juan Martin del Potro. Six of the eight top women were through.
Maria Sharapova has made her Twitter debut at the Australian Open, and she's tweeting on THE trend of this year's tournament.
The International Tennis Federation says Croatia's Ivo Karlovic set a world record with a 156 mph serve Saturday during a Davis Cup doubles match against Germany.
