Target Trainer (EA) Serving Drills - It effectively divides the serving target area into thirds. Return-of-Serve - The receiver has a primary target to develop accuracy. Passing Shots - The down-the-line passing shot target width is exactly the width of the Target Trainer. Groundstrokes for Depth - Since the Target Trainer is 3 feet above net height, hit over it for depth. Groundstrokes for Penetration - Set it up on the opposing service line, now 60-feet from your baseline. Balls that are hit through the Target Trainer and land in the court are guaranteed have world-class depth and penet