Former tennis star Andrea Petkovic has admitted she's worried about Novak Djokovic's health amid his inconsistent ...

The Russian returns to the scene of one of his worst moments on the tennis court — with a new perspective on his own mind ...

The Dubai Tennis Championships has produced an array of memorable champions – but none can hold a candle to Roger Federer and Novak Djokovic. Two of the greatest tennis players of all time, Federer ...