Novak Djokovic is unstoppable. By claiming the Italian Open on Sunday, the Serbian world no.1 made it to 5 titles this tennis season. In the final of the Rome Masters at the iconic Foro Italico, Djokovic defeated world no.2 Roger Federer in straight sets and lifted the Italian Open Trophy for the fourth time. The women’s crown was won by Russia's Maria Sharapova, who warmed up for the defense of her French Open title with a tough victory over Spain’s Carla Suarez Navarro. But in the women’s doubles, the Indo-Swiss pair of Sania Mirza/Martina Hingis fell in the final hurdle to end