 He finished as the year @-@ end world No. 1 for the fourth year in a row , demonstrating his dominance , and during these four years he won 11 Grand Slam singles titles . After his phenomenal triple Grand Slam season yet again , Federer became the only player in history to win three Majors in a year for three years ( 2004 , 2006 , 2007 ) . It was the third consecutive season that Federer would hold the world No. 1 ranking for all 52 weeks of the year . 
 He<a href='been_done' title='1'><mark></mark></a> finished as the year @-@ end world No. 1 for the fourth year in a row , demonstrating his dominance , and during these four years he won 11 Grand Slam <a href='uninflect' title='2'><mark>singles</mark></a> titles . After his phenomenal triple Grand Slam season yet again , Federer became the only player in history to win three Majors in a year for three years ( 2004 , 2006 , 2007 ) . It was the third consecutive season <a href='null_relcl' title='3'><mark>that</mark></a>Federer would hold the world No. 1 ranking for all 52 weeks of the year . 
He been finished as the year @-@ end world No. 1 for the fourth year in a row , demonstrating his dominance , and during dem four years he won 11 Grand Slam single titles . After his phenomenal triple Grand Slam season yet again , Federer became the only player in history to win three Majors in a year for three years ( 2004 , 2006 , 2007 ) . It was da third consecutive season Federer would hold the world No. 1 ranking for all 52 weeks of the year .