With a new Grand Slam champion crowned at the Australian Open, the vultures are circling over Roger Federer's head.

The Swiss, though, is adamant that he is still the top man in world tennis.

The world rankings bear out the Swiss ace's assertion but, make no mistake, there is a new pretender to his throne and a very credible one.

Not only did Novak Djokovic oust the world's top-ranked player from the Australian Open semi-finals but on Sunday he took the Swiss champion's crown.

Photographs: Getty Images | Text: Reuters

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