Djokovic d. Stepanek

Djokovic beat Stepanek 6-1, 6-3, 6-3 in the fourth round at the U.S. Open - New York. Djokovic won 91 of 154 points (59%). Djokovic hit 5 aces to 4 and won 76% of points behind the first serve (34/45) against 53% for Stepanek. Djokovic converted 6 of 13 break points and saved 2 of 3 faced; Stepanek converted 1 of 3. Winners to unforced errors: 29–21 for Djokovic, 18–28 for Stepanek. The match was played on hard in United States.