UNITED STATES SPORT TENNIS
Serena Williams will be paired with John Isner as the representative of the United States in the Hopman Cup that took place 1-8 January 2011 in Perth, Australia.
Williams and Isner will fight with a partner like Novak Djokovic, Ana Ivanovic of Serbia, duet, Belgium, Justine Henin-Steven Darcis and Gael Monfils, Kristina Mladenovic of France.
