Potro d. Mayer

Potro beat Mayer 6-3, 7-5, 7-6(9) in the third round at the U.S. Open - New York. Potro won 130 of 235 points (55%). Potro hit 7 aces to 11 and won 84% of points behind the first serve (57/68) against 68% for Mayer. Potro converted 4 of 13 break points and saved 4 of 5 faced; Mayer converted 1 of 5. Winners to unforced errors: 34–21 for Potro, 44–45 for Mayer. The match was played on hard in United States.