 In 2007 , Federer reached all four Grand Slam singles finals , winning three of them again . He won the Australian Open over Fernando González and did so without dropping a set . This made him the first man in the 21st century to accomplish the feat , as Björn Borg at the 1980 French Open was the last to win a Grand Slam tournament without the loss of a set . Federer had entered the year on a huge winning streak and after capturing his fourth Dubai crown Federer 's winning streak stood at 41 matches , the longest of his career and only five shy of the record . Federer entered Indian Wells as the three @-@ time defending champion , but his streak would end in controversy . He was defeated by an Argentine , Guillermo Canas , who had failed a drug test for illegal doping . This surprising first @-@ round defeat marked the first time since August 2006 he suffered defeat , a period spanning over seven months . 
 In 2007 , Federer reached all four Grand Slam <a href='uninflect' title='1'><mark>singles</mark></a> finals , winning three of them again . He won the Australian Open over Fernando González and did so without dropping a set . This made him the first man in the 21st century to accomplish the feat , as Björn Borg at the 1980 French Open was the last to win a Grand Slam tournament without the loss of a set . Federer <a href='been_done' title='2'><mark>had</mark></a> entered the year on a huge winning streak and after capturing his fourth Dubai crown Federer <a href='null_genetive' title='3'><mark>'s</mark></a>winning streak stood at 41 matches , the longest of his career and only five shy of the record . Federer entered Indian Wells as the three @-@ time defending champion , but his streak would end in controversy . He was defeated by an Argentine , Guillermo Canas , <a href='null_relcl' title='4'><mark>who</mark></a><a href='been_done' title='5'><mark>had</mark></a> failed a drug test for illegal doping . This surprising first @-@ round defeat marked the first time since August 2006 he suffered defeat , a period spanning over seven months . 
In 2007 , Federer reached all 4 Grand Slam single finals , winning three of em again . He won the Australian Open over Fernando González and did soo w/o droppin a set . This made em the first man in the 21st century to accomplish the feat , as Björn Borg at da 1980 French Open was tdalast to win a Grand Slam tournament without thdaoss of a set . Federer done entered the year on a huge winnin streak and after capturing his fourth Dubai crown Federer  wwinninstreak stood at 41 matches , the longest of his career and only five shy of the record . Federer entered Indian Wells as the three @-@ time defending champion , but his streak would end in controversy . He was defeated by an Argentine , Guillermo Canas , done failed a drug test for illegal doping . This surprising first @-@ round defeat marked the first time since August 2006 he suffered defeat , a period spanning ova seven months .