The question was rather simple after Angelique Kerber became only the second defending U.S. Open champion in the professional era to lose in the first round.
Andy Roddick was the last American man to win a Grand Slam title, all the way back at the 2003 U.S. Open. The last American woman other than Serena Williams...
Novak Djokovic will sit out the rest of this season because of an injured right elbow, meaning he will miss the U.S. Open and end his streak of participating in...