Fourth-seeded Roger Federer ended top-seeded Novak Djokovic’s chance of defending his Dubai Championships title with a 3-6, 6-3, 6-2 semifinal win on Friday. Federer will be looking for his sixth Dubai title when he plays third-seeded Tomas Berdych of the Czech Republic in Saturday’s final. Berdych reached his second consecutive Dubai Championships final with a tough 7-5, 7-5 semifinal win over seventh-seeded Philiipp Kohlschreiber of Germany. Federer now leads Djokovic 17-15 in their career head-to-head meetings.