Dubai looks it like it will have two dream semis with Novak Djokovic going up against Juan Martin Del Potro and Roger Federer confronting Tomas Berdych. But first things first as Del Potro will open quarterfinal play Daniel Brands, then Berdych takes on a suddenly revived Dmitry Tursunov. Djokovic might face a stiff test from Andreas Seppi and then Federer will play Nikolay Davydenko