10 D Nalbandian (Arg) bt 6 R Federer (Swi) 6-4 3-6 6-1 1-6 6-3.

Sixth seed Roger Federer's powerful forehand is not enough to overcome a determined Nalbandian

(18) Y El Aynaoui (Mor) bt (1) Lleyton Hewitt (Aus) 6-7 7-6 7-6 6-4

Lleyton Hewitt makes another premature exit from the tournament as Younes El Aynaoui knocks him out

(1) S Williams (US) bt (18) E Daniilidou (Gre) 6-4 6-1

Top seed Serena Williams powers into the last eight despite not reaching her best form

(4) K Clijsters (Bel) bt (19) A Coetzer (SA) 6-3 6-1

Kim Clijsters books her place in the last eight with a dominant display against Amanda Coetzer

(25) Meghann Shaunessy (US) bt (20) Elena Bovina (Rus) 5-7 6-2 6-4

America's Shaughnessy celebrates as she clinches a hard-fought victory over Russian rival Bovina

(9) Andy Roddick (US) bt (25) M Youzhny (Rus) 6-7 3-6 7-5 6-3 6-2

Andy Roddick's stirring fightback from two sets down sees him overcome Youzhny in a five-set thriller