Novak Djokovic & Roger Federer preview US Open final

US Open finalists Novak Djokovic and Roger Federer look forward to Sunday's showpiece after they both cruised through their respective semi-finals.

Swiss Federer reached his first final at Flushing Meadows in six years after beating his compatriot Stan Wawrinka 6-4 6-3 6-1, having dropped serve just twice during the tournament so far.

The 34-year-old goes on to face Serb top seed Djokovic, who thrashed defending champion Marin Cilic 6-0 6-1 6-2.

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