BELGRADE, SERBIA: Argentina's Juan Martin del Potro talks of his delight in winning the second rubber of his nation's semifinal battle with Serbia. The South American team, who have never won the Davis Cup, have a commanding lead over defending champions Serbia after winning both rubbers on the opening day.
Argentina's David Nalbandian is in confident mood after defeating Viktor Troicki 64 46 62 62 in the opening rubber of the World Group semifinal in Belgrade.
Captain Bogdan Obradovic (SRB) - 16/09/2011
David Nalbandian (ARG) - 16/09/2011
Juan Martin del Potro (ARG) - 16/09/2011
Janko Tipsarevic (SRB) - 16/09/2011
Captain Tito Vazquez (ARG) - 16/09/21011