The Elite Grandslam IV is the most advanced battery operated portable tennis ball machine in the world. The Grandslam IV offers unrivaled full random oscillation. This revolutionary design allows the machine to throw balls throughout the entire spectrum of the court mixing up speed, spin, trajectory and oscillation. Furthermore, the Grandslam IV is governed by the machine's sophisticated computerized software which has been programmed to determine all possible combinations of speed, trajectory, and spin. This fully random technological advancement allows for the Grandslam IV to realistically simulate true match play, a feature that is unsurpassed by any portable tennis ball machine on the market.

Fully Random Oscillation
with variable Speed & Spin

The Grandslam IV is also equipped with three pre-programmed six shot drills that simulate the most popular styles of play: grinder, all courter, and power baseliner. These incredible drills mix up speed, trajectory, and spin to prepare you to play against the world's elite! With the press of a button, you can now practice against the playing style of your choice.

The Grinder Drill

The Grinder tries to wear down their opponents physically and mentally, waiting for the other player to make a crucial mistake. This player hits high, loopy, moderate spin shots that will challenge all players.

A six ball drill that utilizes the back court with different types of spin.

Power Baseliner Drill

The Power Baseliner is a player who is explosive in their shot selection, playing with pace and aggression and minimal spin. This player exhibits an attacking style, known as "first strike" tennis.

A six ball drill that utilizes full back court with little spin and more ball speed.

All-Courter Drill

The All-Courter is a player type that focuses their game on tactical savvy. He/she can compete well from the baseline and will come to the net to finish points. When playing this type of player, expect a great deal of shot variety.

A six ball drill that utilizes both full back court and front court with some top spin and less ball speed.

In addition, the Grandslam IV is equipped with the most extensive 3-Line function found today. With its three versatile positional settings; Narrow, Medium, and Wide, you can groove your forehand and backhand ground strokes or use it as a great way to warm up your shots.

3-Line Function
Narrow, Medium & Wide

The Grandslam IV is also equipped with the most revolutionary control panel and optional wireless remote control found today. The "Lexan" control panel utilizes "touch-buttons" instead of dials, knobs, and switches. It also has a digital LCD screen which allows you to view all menu selections and settings. For those players who consider themselves "technologically challenged", do not fear. The Grandslam IV was developed to be incredibly user friendly and can be operated by even the youngest of players.

For operation of the machine while "on the fly", the Grandslam IV has an optional 15-function wireless remote control available. The state-of-the-art compact controller allows you to adjust every function of the machine with just a push of a button. Enjoy instantaneous changes in functionality like; play/pause, oscillation sweep, fully random, 3-line, speed, feed, spin, and much more.

New Control Panel

New Remote Control