This is a constraints led practice drill. Serving from a line, 1,5 m behind the baseline and in extension of the single line.
Improving service, court covery and creativity in a game based and constraints led drill.
You can play f.e. 10 points from the deuce court side and 10 points from the add court side or you can play a regular counted game.
More about the contraints led approach and the service: