Today, after more than 40 years since the invention of the technique of topspin (Borg), many recreational players don’t seem to be clear in your mind what are the basics of this technique.
Most of the information found on the Web contain errors that are critical to running a good shot in topspin. And in some countries even the teachers of the National Federation does not have a clear idea of how you have to hit the ball to get topspin.
This site aims to provide clarity about the basics of topspin.

(the site is in progress)