NEW YORK -- It seems surreal, but this US Open is the first Grand Slam since the 2004 French Open that doesn't have either Roger Federer, Andy Murray or Rafael Nadal in the semifinals. Top seed Novak Djokovic is the only representative of the Big Four left in the singles. That would seem to put him back on track to win his third major of 2016. Or will it? Here's what you need to know:
How to watch all the action Friday
At noon ET, the mixed-doubles final between No.