Juan Martin Del Potro of Argentina follows through on a shot against Andy Roddick of the U.S. in the finals of the Legg Mason Tennis Classic in Washington August 9, 2009. Reuters Pictures logo Reuters Pictures 30 months ago

Juan Martin Del Potro of Argentina follows through on a shot against Andy Roddick of the U.S. in the finals of the Legg Mason Tennis Classic in Washington August 9, 2009.