When you filter out obvious speed gun errors or outliers, Shelton's serve is the fastest of all time. So how does he do it? The key is those early years spent doing everything other than tennis.

WIMBLEDON — Over the course of seven stunning days, it has become the most lethal shot in tennis. It’s a serve ... He’s tied with Ben Shelton for the fastest serve in the tournament at ...

The initial serve of a table tennis match at the Olympics is determined by a coin toss. The coin toss winner can choose to serve the ball, receive the ball or pick a side of the table to start on.