Novak Djokovic defeated Joao Sousa with a 6-3, 6-4, 6-3 scores on Monday at the US Open. Recently, he ended his 54-week trophy drought with his 13th Grand Slam title at the Wimbledon. And now, Novak Djokovic books his slot in the quarter-final and is likely to face Roger Federer. The five-time US Open title […]