For all their celebrated Grand Slam past, Nadal and Federer have never clashed in a US Open final.
Rafael Nadal overcame a temporary blip on his way to victory at the ATP Cup on Saturday
List of US Open men's singles champions since the Open Era began in 1968:
List of US Open men's singles champions since the open era began in 1968:
Argentine Juan Martin Del Potro served notice of his strong form ahead of the Australian Open when he crushed defending champion Bernard Tomic 6-3, 6-1 in the final of the Sydney International on Saturday.
Relentless schedule taking toll on big-name tennis players.
