https://www.upi.com/News_Photos/lp/75f3bd7efe1c6f51ef4ba78e5fcfff3b/https://www.upi.com/News_Photos/view/upi/75f3bd7efe1c6f51ef4ba78e5fcfff3b/US-Open-Tennis-Championship-in-New-York-Day-10/NEWS SPORT SPORTS TENNISUPIUPIhttps://cdnph.upi.com/pv/upi/75f3bd7efe1c6f51ef4ba78e5fcfff3b/US-OPEN-TENNIS.jpg
Juan Martin Del Potro hits a forehand in his match against Andy Murray on day ten at the U.S. Open Tennis Championships at the U.S. National Tennis Center in Flushing Meadows, New York on September 3, 2008. (UPI Photo/John Angelillo)