Top Four Seeds Advance to Dubai Semis
For the first time in the history of the Dubai Duty Free Tennis Championships, the top four seeds have reached the semifinals of the event as top-seeded Novak Djokovic will meet the fourth-seeded Juan Martin del Potro, and Roger Federer will meet Tomas Berdych. Djokovic defeated the seventh seed, Andreas Seppi, winning the first seven games in…