Novak Djokovic is through to the final of the US Open after beating Stanislas Wawrinka.
Serbian Djokovic took four hours to beat the Swiss Wawrinka in five sets: 2-6 7-6(4) 3-6 6-3 6-4.
The world number one will now face Spain's Rafael Nadal in the final on Monday 9 September in New York.
This will be the fourth time Djokovic has reached the final, and Nadal has also reached the final three times before.
In 2010, Nadal took victory from Djokovic, and in 2011 Djokovic took the grand slam title against Nadal.