 Tomáš Berdych and Federer have played each other 22 times with Federer leading 16 – 6 . Federer leads 9 – 5 on hard courts , 2 – 1 on grass courts , 4 – 0 on clay courts , and 1 – 0 on carpet . Berdych won their first professional match , notably upsetting then world No. 1 Federer at the 2004 Summer Olympics . Federer then went on to win their next eight meetings , before Berdych ended the losing streak in 2010 . Between 2010 and 2013 , Berdych won 5 of 8 meetings . Federer then switched to a larger racquet in 2014 to prevent being <unk> by players like Berdych and leads 5 – 0 since . They have met seven times in Grand Slam tournaments , with Federer leading 5 – 2 , and Berdych is one of five players , along with <unk> <unk> , <unk> <unk> , David Nalbandian , and Jo @-@ Wilfried Tsonga , to defeat Federer multiple times in majors before the semifinal stage . Their most notable Grand Slam matches took place in the 2009 Australian Open , when Federer prevailed in five sets after dropping the first two sets , the 2010 Wimbledon Championships , the 2012 US Open , both of which Berdych won in four <unk> and the 2016 Australian Open , which Federer won in straight sets . 
