Olympics: Tennis Pictures

Alberto Mancini (C), captain of the Argentine men's tennis team jokes with player Juan Monaco (R) while Guillermo Canas looks on during a news conference in Buenos Aires before they depart to Beijing for the 2008 Summer Olympics July 31, 2008. REUTERS/Enrique Marcarian (ARGENTINA) (BEIJING OLYMPICS 2008 PREVIEW)

Reuters

David Nalbandian (L) of the Argentine men's tennis team for the 2008 Olympic Games talks with captain Alberto Mancini during a news conference before their departure for Beijing, in Buenos Aires July 31, 2008. REUTERS/Enrique Marcarian (ARGENTINA) (BEIJING OLYMPICS 2008 PREVIEW)

Reuters

The Argentine tennis team for the 2008 Olympic Games pose before their departure for Beijing in Buenos Aires, July 31, 2008. From left: Agustin Calleri, Guillermo Canas, David Nalbandian, Alberto Mancini (captain), Juan Monaco, Betina Jozami and Gisela Dulko. REUTERS/Enrique Marcarian (ARGENTINA) (BEIJING OLYMPICS 2008 PREVIEW)

Reuters

Members of the Argentine men's tennis team Guillermo Canas (L), Juan Monaco (C) and David Nalbandian arrive for a news conference in Buenos Aires before they depart for Beijing for the 2008 Summer Olympics July 31, 2008. REUTERS/Enrique Marcarian (ARGENTINA) (BEIJING OLYMPICS 2008 PREVIEW)

Reuters

Maria Sharapova, of Russia, gets medical treatment to her shoulder in her winning match against Poland's Marta Domachowska during second round action at the Rogers Cup tennis match Wednesday, July 30, 2008 in Montreal. Third-seeded Maria Sharapova withdrew from the Rogers Open after her second-round victory Wednesday because of a shoulder injury, possibly jeopardizing her participation at the Beijing Olympics. (AP Photo/The Canadian Press, Jacques Boissinot)

AP

Maria Sharapova, of Russia, gets medical treatment to her shoulder in her winning match against Poland's Marta Domachowska during second round action at the Rogers Cup tennis match Wednesday, July 30, 2008 in Montreal. Third-seeded Maria Sharapova withdrew from the Rogers Open after her second-round victory Wednesday because of a shoulder injury, possibly jeopardizing her participation at the Beijing Olympics. (AP Photo/The Canadian Press, Jacques Boissinot)

AP

Maria Sharapova, of Russia, gets medical treatment to her shoulder in her winning match against Poland's Marta Domachowska during second round action at the Rogers Cup tennis match Wednesday, July 30, 2008 in Montreal. Third-seeded Maria Sharapova withdrew from the Rogers Open after her second-round victory Wednesday because of a shoulder injury, possibly jeopardizing her participation at the Beijing Olympics. (AP Photo/The Canadian Press, Jacques Boissinot)

AP

Maria Sharapova, of Russia, gets medical treatment to her shoulder in her winning match against Poland's Marta Domachowska during second round action at the Rogers Cup tennis match Wednesday, July 30, 2008 in Montreal. Third-seeded Maria Sharapova withdrew from the Rogers Open after her second-round victory Wednesday because of a shoulder injury, possibly jeopardizing her participation at the Beijing Olympics. (AP Photo/The Canadian Press, Jacques Boissinot)

AP

BEIJING - JULY 27: The entrance of the Swiss section of the Olympic Village is decorated with a poster of tennis player Roger Federer on July 27, 2008 in Beijing, China. Located in the northwest corner of the Olympic Green, the Village lies adjacent to the National Stadium and National Aquatics Center. The Beijing Olympic Games start on August 8. (Photo by Getty Images)

Getty Images

The Beijing Olympic Tennis Center is seen in Beijing is seen on July 6, 2008. The Beijing Olympic Tennis Center will hold tennis competitions for the Beijing Olympic Games, which will open on August 8. AFP PHOTO (Photo credit should read STR/AFP/Getty Images)

AFP/Getty Images