US Open: Novak Djokovic, Roger Federer face tough tests to making finals
Novak Djokovic and Roger Federer remain on course for a marquee one-two clash in the men`s U.S. Open final, but each must first vanquish a formidable opponent and friend in Friday`s semi-finals at Flushing Meadows.
Sep 11, 2015, 05:38 AM IST