There are a number of ways to serve - Roger and Pete are effortless, Andy and Kei have a different action and appear to use much more effort. The secret, as .
Showmatch: Pete Sampras vs Carlos Moya Result: 5-7, 4-6 21 April 2014 More information: .
Sampras describes his loose arm and how his second serve was arguably the best in the history of the game. Read more at:
Learn the secret that unlocks the power of the Pete Sampras serve -- call it forearm rotation. But first, experiment at the net before putting it into your own service .