Roger Federer will face Novak Djokovic the world number two in the semi-finals of the Paris Masters tomorrow. Federer won his last eight match against Juan Martin del Potro of Argentina 6-3 4-6 6-3. While Djokovic had a straight forward win over Stanislas Wawrinka 6-1 6-4. In the other half of the draw world number one Rafael Nadal moved into the last four with a victory against Richard Gasquet 6-4 6-1 and will face the winner of David Ferrer and Tomas Berdych.