- Nishikori wins 6-2 6-3 in just over an hour
- Wawrinka averaged nearly two unforced errors per game
- Andy Murray plays first match as No. 1 Monday
- Murray, Novak Djokovic battling for year-end No. 1
(CNN)When Kei Nishikori and Stan Wawrinka met in the US Open semifinals, the former led by a set and was in control in the early stages of the second. Then Wawrinka rallied -- and the Swiss went on to win a third grand slam title.