Tennis-U.S. Open men's singles round 4 results
Sept 1 (Infostrada Sports) - Results from the U.S. Open Men's Singles Round 4 matches on Monday 8-Andy Murray (Britain) beat 9-Jo-Wilfried Tsonga (France) 7-5 7-5 6-4 1-Novak Djokovic (Serbia) beat 22-Philipp Kohlschreiber (Germany) 6-1 7-5 6-4