Monthly Archive:: June 2020
Djokovic and the art of controlling tennis balls (part 1)

Novak Djokovic is considered to be the best tennis player in the present, thanks to reflexes, judgment and concentration during the critical moment. Returning is a flashy weapon in tennis. ATP players usually serve the ball with a speed of about 190 km / h, ie 53 m / s. Tennis courts are nearly 24m
Category: Sports