Djokovic hails 'greatest victory'

Novak Djokovic says his fightback to beat Roger Federer from two sets down in the semi-final of the US Open was the "greatest victory" of his incredible season so far.

World number one Djokovic produced a stunning comeback to win 6-7 (7-9) 4-6 6-3 6-2 7-5.

The Serbian say he knows his game is good enough to win against Rafael Nadal again in the final, with the pair set for a repeat of their meeting in the final of Wimbledon from which Djokovic emerged victorious.

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