Dubai: Australian Open champion Novak Djokovic reached the quarterfinals of the Dubai Championships on Wednesday, overcoming the net play of Feliciano Lopez of Spain 6-3, 2-6, 6-4.
Djokovic joined Tomas Berdych in the last eight after the third-seeded Czech beat Nikolay Davydenko 6-3, 7-6 (5).
Berdych, Djokovic and Roger Federer are the only seeded players left in the tournament. Eighth-seeded Ernests Gulbis of Latvia was upset by Sergiy Stakhovsky of Ukraine, 6-3, 5-7, 6-1. Richard Gasquet of France overcame a 5-2 deficit in the second set to beat Ukrainian qualifier Sergei Bubka 6-2, 7-5.