US OPEN:Fedex,Djoko,Nadal tries hard to get into quarters while Elena,Jelena gets easy to semis

Roger Federer Novak Djokovic Raefal Nadal gets a tough times in their USopen 4th round while Andy Roddick gets it easy.Federer faces a 5-set victory over Andreev and going to face a suprise qualifier MULLER who def Davydenko in 4th round.Djokovic also faces 5-set victory over Spain's Robredo and going to face Andy roddick who def Gonzalez in straight sets.Nadal gets a 4-set victory over Queery and going to face MARDY FISH who def Monfils. Coming to women Elena Dementiva gets a easy straight sets victory to face Jelena Jankovic in semis. Paes & Doulhy made it to Finals in men's doubles and PAES also reached Finals in mixed doubles along with Black