Djokovic shocks Federer, Li upsets Wozniacki

Novak Djokovic of Serbia celebrates his victory over Roger Federer of Switzerland during their semi-final match at the Australian Open tennis tournament in Melbourne yesterday. REUTERS/Mick Tsikas

MELBOURNE, (Reuters) – An inspired Novak Djokovic  shocked defending champion Roger Federer in the Australian Open  semi-finals yesterday to leave the Swiss without a grand slam  title for the first time in eight years.

The third-seeded Serbian overpowered the four-times champion  7-6 7-5 6-4 in three hours of intense, high quality tennis to  reach a second Melbourne final, where he will play Briton Andy  Murray or Spaniard David Ferrer.

Although Federer and Djokovic both cautioned against the  pronouncement of the end of an era, Li Na marked