Rafa en photos

NEW YORK, NY - MARCH 04:  Rafael Nadal, Juan Martin del Potro, Serena Williams and Victoria Azarenka prior to the BNP Paribas Showdown press conference at Essex House on March 4, 2013 in New York City. (Photo by Mike Stobe/Getty Images for StarGames) 2013 Getty Images

Rafa en photos

Rafael Nadal, of Spain, against Juan Martin del Potro, of Argentina, during the BNP Paribas Showdown exhibition tennis match Monday, March 4, 2013, at Madison Square Garden in New York. (AP Photo/Bill Kostroun/ Elsa/Getty Images) 2013 Getty Images)