NEW YORK (AP) — Novak Djokovic needed all of 15 minutes to take the first five games against Sam Querrey, sending the top-seeded Serb on his way to the U.S. Open's fourth round for the eighth year in a row. Djokovic's routine 6-3, 6-2, 6-2 victory Saturday put him in the round of 16 at a 22nd consecutive Grand Slam tournament. Djokovic counts the 2011 U.S.