The GROW Tennis bundle gets tennis players started with mental skill development for their game. It contains learn, train, and apply components that cover all primary mental skills for tennis. It uses a structured roadmap that is typically completed in six weeks (but it can be done at any pace). The roadmap covers e-learning units, workouts, and routine building videos with examples of how to make the skills work in your tennis game.
The GROW your Tennis bundle is the most complete introductory resource for mental skill development for tennis players that you will find online. It has evolved into what you see in front of you and it has helped many tennis players with calming their mind under pressure, being able to control body tension, adjusting tactics efficiently, and switching between internal and external flows.
The GROW bundle is a great place to start, but if you are really serious and want to dive in beyond the basics, consider going with the PRO Tennis bundle instead. This gives you access to everything in GROW, plus full access to the testing resources and all the e-learning, workout plans, and the entire Tennis Channel.