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twodogsbarking

(12,230 posts)
1. The fastest recorded tennis serve is 163.7 miles per hour (263.4 km per hour), hit by Australian Sam Groth in 2012.
Wed Sep 4, 2024, 08:20 AM
Sep 2024

However, some say that John Isner's 157.2 miles per hour (253 kilometers per hour) serve in the 2016 Davis Cup is the official fastest serve because it was recorded using the same equipment as Grand Slam games.
I played fast pitch softball and the pitcher is closer and the ball is bigger. Too fast for me. How they do it is amazing. Just comparing two sports.

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