Sock d. Petzschner

Sock beat Petzschner 7-6(2), 3-6, 5-2, ret. after Petzschner retired in the first round at the U.S. Open - New York. Sock won 100 of 191 points (52%). Sock hit 6 aces to 10 and won 71% of points behind the first serve (36/51) against 69% for Petzschner. Sock converted 3 of 8 break points and saved 5 of 8 faced; Petzschner converted 3 of 8. Petzschner double-faulted 5 times. Winners to unforced errors: 39–34 for Sock, 27–26 for Petzschner. The match was played on hard in United States.