Roger Federer will now take on Novak Djokovic in US Open final after defeating Stan Wawrinka in semis.
Federer beat his fellow Swiss 6-4 6-3 6-1 to reach the final without losing a set, and having dropped serve just twice.
The 34-year-old goes on to face top ranked Djokovic, who thrashed defending champion Marin Cilic 6-0 6-1 6-2.
It will be the first US Open final since 2009 for Federer.
Djokovic, 28, has the opportunity to claim his 10th major title and third of the year, the Serb having won the Australian Open and Wimbledon but lost in the French Open final.
