FOREHAND OVERVIEW SERIES PART 1-THE BASE. In this video, SportsEdTV Director of Tennis, John Eagleton, describes The Base, or ready position for tennis. The Base is a powerful athletic stance that allows you to move explosively in any direction. It is the foundation of a great tennis game and you can't hit great groundstrokes without a strong base. Djokovic is a great example of a player who employs a strong, powerful base. Learn how to find your Custom Base. This is video one is a seven-video series that breaks down the forehand fundamentals for today's game.