Rafael Nadal faces potential quarterfinal clash with Nikolay Davydenko at Russian Open . Roger Federer faces a potential quarterfinal clash with Nikolay Davydenko after his recent nemesis was drawn in the same quarter of the field for the Australian Open , which starts on Monday . The Russian sixth seed has beaten the world No . 1 in their last 1 meetings . Defending champion Rafael Nadal faces possible last-eight tie with Andy Murray . Nadal could then face Australia Open champion Andy Murray in semifinals .
Rafael Nadal faces potential quarterfinal clash with Nikolay Davydenko at Russian Open . The Russian sixth seed has beaten the world No . 1 in their last 1 meetings . Defending champion Rafael Nadal faces possible last-eight tie with Andy Murray . Nadal could then face Australia Open champion Andy Murray in semifinals .