Martina Navratilova and the Bryan Brothers show you 48 plays that allowed them to become arguably the greatest doubles players ever. Click to watch Martina show you her favorite play called "The Prague-nosticator."

If you’re a doubles player and you struggle with anticipation, here are 52 tells that will allow you to predict where the ball is going to cross the net, so you’ll know whether to poach, cover the alley, or cover the lob.

If you feel like you’re losing to players you should beat, inside you’ll learn 41 plays that allow you to play to your strengths, attack your opponent’s weaknesses, and avoid making mistakes.