 The 2009 season was perhaps the most historically relevant of Federer 's career as he completed a career Grand Slam by winning his first French Open title and won a men 's record fifteenth Grand Slam singles title by defeating Andy Roddick at Wimbledon in five sets , surpassing Pete Sampras 's mark of fourteen . The 2009 Wimbledon final was also historic for being the longest Grand Slam final in terms of games played with Federer prevailing 16 – 14 in a thrilling fifth set . Upon breaking the Grand Slam tournament record , Federer was hailed by most analysts and many tennis greats as the greatest player in tennis history . 
 The 2009 season was perhaps the most historically relevant of Federer <a href='null_genetive' title='1'><mark>'s</mark></a>career as he completed a career Grand Slam by winning his first French Open title and won a men <a href='null_genetive' title='2'><mark>'s</mark></a>record fifteenth Grand Slam <a href='uninflect' title='3'><mark>singles</mark></a> title by defeating Andy Roddick at Wimbledon in five sets , surpassing Pete Sampras <a href='null_genetive' title='4'><mark>'s</mark></a>mark of fourteen . The 2009 Wimbledon final was also historic for being the longest Grand Slam final in terms of games played with Federer prevailing 16 – 14 in a thrilling fifth set . Upon breaking the Grand Slam tournament record , Federer was hailed by most analysts and many tennis greats as the greatest player in tennis history . 
The 2009 season was perhaps da most historically relevant of Federer  career as he completed a career Grand Slam by winnin his first French Open title and won a men  record fifteenth Grand Slam single title by defeating Andy Roddick at Wimbledon in five sets , surpassing Pete Sampras  mark of fourteen . The 2009 Wimbledon final was also historic fa being the longest Grand Slam final in terms of games played wit Federer prevailing 16 – 14 in a thrilling fifth set . Upon breaking tdaGrand Slam tournament record , Federer was hailed by most analysts and many tennis greats as thdaealest player in tennis history .