Novak Djokovic through to 2nd round

NEW YORK - Novak Djokovic is through to the 2nd round of the US Open after defeating Diego Schwartzman of Argentina 6-1 6-2 6-4 on Tuesday.

World number one will now face France's Paul-Henri Mathieu, who ousted Gilles Mueller of Luxembourg in five sets, 6-7(9) 7-5 7(8)-6 6(5)-7 6-1.

Photo AP,Darron Cummings