Potro d. Monaco

Potro beat Monaco 6-3, 6-3, 6-1 in the first round at the U.S. Open - New York. Potro won 101 of 166 points (61%). Potro hit 7 aces to 1 and won 81% of points behind the first serve (29/36) against 51% for Monaco. The second serve told: 69% won for Potro, 43% for Monaco. Potro converted 7 of 14 break points and saved 2 of 4 faced; Monaco converted 2 of 4. Winners to unforced errors: 28–25 for Potro, 15–46 for Monaco. The match was played on hard in United States.