 Federer finished the season on a high note by yet again dominating the indoor season , winning his last three tournaments of the year at the Swiss Indoors , Paris Masters , and ATP World Tour Finals . He ended a 10 @-@ month title drought by winning the Swiss Indoors for the fifth time , defeating rising star <unk> <unk> . Federer followed this up with his first Paris Masters title , where he became the first player to reach all nine Masters 1000 finals . In the final of the 2011 ATP World Tour Finals , Federer defeated Jo @-@ Wilfried Tsonga for the third consecutive Sunday and , in doing so , claimed a record sixth ATP World Tour Finals title , finishing the year as world No. 3 . 
