Novak Djokovic marches on at US Open with straight-sets win

Pre-tournament favorite Novak Djokovic marched into round two of the US Open Monday as he launched his bid for a 18th Grand Slam with a straight-sets win. The world number one dispatched unheralded Damir Dzumhur of Bosnia-Herzegovina 6-1, 6-4,6-1 under floodlights at an empty Arthur Ashe Stadium in New York.