Federer books quarterfinal clash with Soderling at French Open

Switzerland's Roger Federer returns the ball to Switzerland's Stanislas Wawrinka during their men's fourth round match in the French Open tennis championship at the Roland Garros stadium in Paris.PARIS, May 30 -- Last year's French Open finalists Roger Federer and Robin Soderling will meet in the quarterfinals at Roland Garros this year as both of them won the fourth round on Sunday.The world No