Video: Sam Groth hits second-fastest Wimbledon serve against Roger Federer

Watch as Australia's Sam Groth booms down the second-fastest serve in Wimbledon history against Roger Federer on Centre Court.

Sam Groth recorded the second-fastest serve in Wimbledon history during his third-round encounter against seven-time champion Roger Federer this afternoon.

The Australian boomed down a 147mph serve in the opening set on Centre Court, which is 1mph shy of the record set by America's Taylor Dent.

Watch the video of Groth's historic serve below.

Despite his rapid serving, Groth is two sets down to Federer in the match, which can be followed on Sports Mole by clicking here.

Roger Federer of Switzerland reacts during his Gentlemens Singles Second Round match against Sam Querry of the United States during day four of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 2, 2015
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