Forinformation on purchasing this entire video, go to: HowTo Run A 2-3 Zone Defense, a 2-3 zone defense is when you have 2 players at the top of the key and 3 players protecting the net and baseline. The purpose Example1. This is an example of the 1-3-1 zone defense with the ball near the top and the offensive team set up in a 2-1-2 formation. When that happens, X1 applies defensive pressure and attempts to influence 1 towards the right side of the court. At the same time, X2 and X4 cover the wing areas, X5 denies any entry passes into the high post Example3. This is an example of the point zone defense in which 2 cut through to the right side corner and received the ball from 3. When that occurs, X4 takes point and executes defensive pressure against 2. Also, X2 drops back into the gap between the wing and low post area on the right side. By doing that, X2 is able to hinder dribble 23 zone defense. Aggressive 2-3 Zone Defense. Breakdown Drills for Teaching the 2-3 Zone Defense. 1-2-2 zone defense (and 3-2) 1-3-1 zone defense. Amoeba Defense. Point-Zone Defense. Match-up zone defense. This basketball article discusses the principles of zone defense, as well as advantages and disadvantages of playing zone bkbCAe.