Roger Federer beats Novak Djokovic to win Madrid Masters . Federer triumphs 6 - 4 7 - 5 in just one hours 20 minutes . Swiss maestro increases his advantage at top of world rankings . Li Na of China wins WTA title in Cincinnati .
Roger Federer beats Novak Djokovic to win Cincinnati Masters . Federer triumphs 6-0 7-6 in just one hour 20 minutes . Swiss maestro increases his advantage at top of world rankings . Li Na of China wins WTA event in Cincinnati .