Roger Federer defeats Juan Martin del Potro to win World Tennis Tournament in Rotterdam . World No . , I hope the next time is not so long . 3 beats Argentinian 6-1 6-4 in one hour and 26 minutes to seal victory . - The U.S. Open tennis tournament begins with a men's singles final between Rafael Nadal of Spain and Andy Murray of Great Britain. Spain 's Nicolas Almagro defends Brazil Open title beating Italy 's Filippo Volandri .
Roger Federer defeats Juan Martin del Potro to win World Tennis Tournament in Rotterdam . World No . 3 beats Argentinian 6-1 6-4 in one hour and 26 minutes to seal victory . - The U.S. Open tennis tournament begins with a men's singles final between Rafael Nadal of Spain and Andy Murray of Great Britain. Spain 's Nicolas Almagro defends Brazil Open title beating Italy 's Filippo Volandri .