Novak Djokovic twice had to come from a set down to see off Stanislas Wawrinka 2-6 7-6 (7/4) 3-6 6-3 6-4 on his way to reaching the final of the US Open for the fourth successive year.
Novak Djokovic twice had to come from a set down to see off Stanislas Wawrinka 2-6 7-6 (7/4) 3-6 6-3 6-4 on his way to reaching the final of the US Open for the fourth successive year.