U.S. Open 2013 (96 images)

David Ferrer of Spain returns the ball to Janko Tipsarevic of Serbia in the first set of their fourth-round match at the U.S. Open Championship held at the USTA Billie Jean King National Tennis Center on September 2, 2013 in New York City. UPI Photo/Monika Graff

The court in Arthur Ashe Stadium gets dried off when play is suspended due to rain on day eight at the U.S. Open Tennis Championships at the USTA Billie Jean King National Tennis Center in New York City on September 2, 2013. UPI/John Angelillo

Alison Riske reacts after losing a point to Daniela Hantuchova of Slovakia in the second set of their 4th round match on day eight at the U.S. Open Tennis Championships at the USTA Billie Jean King National Tennis Center in New York City on September 2, 2013. UPI/John Angelillo

Roberta Vinci of Italy hits a backhand in her 4th round match against Camila Giorgi of Italy on day eight at the U.S. Open Tennis Championships at the USTA Billie Jean King National Tennis Center in New York City on September 2, 2013. Vinci defeated Giorgi 6-4, 6-2. UPI/John Angelillo