Novak Djokovic defeats Roger Federer in epic semi-final battle

World number one Novak Djokovic  is through to his  6th Australian open final by beating Roger Federer  6-1,6-2,3-6,6-3 in an epic 4 sets battle which lasted for over 2 hours.

He now leads in head to head meeting with the Swiss player 23-22.

Roger, has not won a grand slam title since 2012 and has lost five of his eight matches against Novak last year.

Djokovic will the face the winner of the semi-final between Andy Murray and Milos Raonic in the title clash on Sunday.

Do you think he has what it takes to defend his title? Only Sunday will tell.

Novak Djokovic twists and turns himself into the semi-finals

World number one Novak Djokovic wins 6-3,6-2,6-4 by beating Japan's Kei Nishikori at the Australian Open.

He sets up a semi-final match against Roger Federer.

The win ensures Novak and Federer will meet for the 45th time in their careers, with a win of 22 wins each.