John Isner holds the record for the fastest serve in the history of men's tennis. The ATP doesn't recognize speed of serves in Challenger tournaments, so Sam Groth misses the cut.

Tall advantage: Top 10 all-time fastest servers in men's tennis John Isner is no stranger to serving records—he’s been the ATP’s ace leader the last four years in a row, and in seven of the ...

At this year’s Wimbledon, Olivetti’s fastest serve was 140 mph, which remains among the highest in the men’s game.

It's been more than a decade since the fastest tennis serve and a little-known Australia still holds the record.

At this year’s Wimbledon, Olivetti’s fastest serve was 140 mph, which remains among the highest in the men’s game.