Fast Track Tennis (Not Eligible for Free Shipping)

Feeds every 3 seconds maximize muscle memory with no need for a real court or practice partner.  Refine technique, add new skills, improve footwork and fitness, or just have fun.  iPhone PLAY FTT app is a connected game that lets you test your skills in real time against other players and win prizes.  iPhone PRACTICE FTT app (under construction) provides personalized performance metrics for measuring skills.  All FTT apps use sophisticated computer vision with proprietary ball tracking algorithms (for use with late model iPhones only).  SCROLL DOWN for more info on the Feedback System.