
World number one Roger Federer rolled over unseeded Jose Acasuso 7-6 5, 6-2 in a fourth-round match at the 3.8 million Sony Ericsson Open here.
Federer faces American Andy Roddick in the quarter-finals. Roddick struggled in the first set before rallying to beat unseeded Frenchman Julien Benneteau 4-6, 6-3, 6-2.
Second seed Rafael Nadal, who lost to Federer in the 2005 final, also reached the quarter-finals yesterday by beating 15th-seeded Frenchman Paul-Henri Mathieu 6-4, 6-4. Ninth-seeded American James Blake is through to the quarter-finals after claiming a 6-3, 6-4 win over No. 27 Radek Stepanek.
Russia8217;s Dmitry Tursunov failed to move through as 10th-seeded Czech Tomas Berdych claimed a 6-2, 6-2 win in their fourth-round match.
Bhupathi-Knowles win
Late Wednesdasy night, Mahesh Bhupathi and Mark Knowles beat Leander Paes and Australian Paul Hanley 6-2, 6-7 8, 10-6 in the quarter-finals. They face the winners of the match between Czechs Martin Damm/Pavel Vizner and Frenchmen Jo-Wilfried Tsonga and Richard Gasquet.