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Roger Federer tightened his grip on the world number one ranking after a crushing 6-0, 7-6 defeat of Novak Djokovic to win a sixth title this season at the Cincinnati Masters.
The Swiss will take a healthy points lead of nearly 900 into the US Open, where number two Djokovic is defending the title, starting a week from Monday.
The ladies title in Cincinnati was won by China's Li Na who fought back to beat German Angelique Kerber 1-6 6-3 6-1 in the final.
