Tennis: Berdych stuns Federer to reach Dubai Open final

Defending champion Roger Federer squandered three match points as he slumped to a 3-6, 7-6 (10/8), 6-4 defeat to Tomas Berdych in their Dubai Open semi-final on Friday.

Berdych, who knocked Federer out of the US Open in the quarter-finals last year, will tackle world number one Novak Djokovic in Saturday's final.

Top seed Djokovic reached the final with a 6-3, 7-6 (7/4) success over Juan Martin del Potro.