French Open champion Li Na credits new coach Carlos Rodriguez with turning her tennis career around _ and saving her marriage.
Fifth-seeded Angelique Kerber has been ousted in the fourth round of the Australian Open by the woman who defeated Serena Williams at the same stage last year.
Roger Federer says Lance Armstrong's admission that he took performance-enhancing drugs during his cycling career has affected all of sport and the world's athletes.
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.
Angelique Kerber survived some nervous moments before fending off American teenager Madison Keys in the third round of the Australian Open, then got to blow out the candles on a cake to celebrate her 25th birthday.
Maria Sharapova leaned back and pumped her arms. She ripped her elbows back and forth, screaming after her victory. Four pumps, five — she rocked forward — six pumps. More. Sharapova had just defeated Venus Williams 6-1, 6-3 Friday, her first victory over the seven-time major winner in a Grand Slam. This was a match clearly worth celebrating, but it was if Sharapova had won the Australian Open title eight days early.
Novak Djokovic didn't have any trouble in his first match back on Rod Laver Arena since his shirt-ripping victory celebrations last year, starting his bid for a third consecutive Australian Open title with a 6-2, 6-4, 7-5 win Monday over France's Paul-Henri Mathieu.
Men to watch at the Australian Open, which begins Monday:
Andy Roddick is not ready for retirement just yet.