Competing for the first time, Novak Djokovic retired against Rafael Nadal at Roland Garros in 2006 after the second set. Having won two ATP titles at the end of the season, the Serb was ready for an even stronger assault in 2007, setting high goals and showing his desire to improve his game.Novak got off to a remarkable start, winning the third ATP title in Adelaide and getting a chance to compete against Roger Federer at the Australian Open. With more good results just around the corner, Djokovic reached his first Masters 1000 final in Indian Wells, losing to Rafael Nadal in straight sets.Novak was the player to beat in Miami two weeks later, earning his first win over Rafa and defeating Andy Murray and Guillermo Canas to claim his fi …