Book cover and Triple-5 Mental Strength Model from The Mental Habits of Winners

What This Book Solves

Winning tennis matches is not just about technique and tactical play.

It is about making the right decisions under pressure, managing emotions, and staying focused at critical moments.

Most players rely on motivation. But motivation is inconsistent.

This book introduces a structured mental training approach based on routines, awareness, and repeatable habits.

Instead of vague mental advice, you learn how to:

  • + build mental routines
  • + handle pressure situations
  • + stay focused between points
  • + recover after mistakes
  • + make better decisions during matches

Competitive

Wants more consistency

Independent

Trains on their own

Pressured

Tightens up in matches

Distracted

Loses focus too easily

If this sounds like you, this book gives you a structured way forward.

Roger Wheller

The book gives clear insight into how players can develop the mental skills needed to become the player they want to be. An informative read for the tennis enthusiast.

Roger Wheller

Sports Psychology Researcher & Author

Vidi Demireva

A simple explanation of mental skills combined with real-life examples. Easy to understand and apply, and a complete model for athletes.

Vidi Demireva

Tennis Player, Coach & Sports Psychologist

Andrea Nespoli

A valuable contribution for coaches and athletes. A strong stimulus for players to engage in mental training.

Andrea Nespoli

Sports Psychologist & Mental Tennis Coach

PDF

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280 pages in A5 size,
not optimized for printing.

$ 8.99

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E-Book

Best for reading on
e-readers, smartphones,
and tablets.

$ 9.99

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Print Copy

Best option for readers
who prefer a physical
book.

$ 23.99

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Mental Routines Template for creating structured tennis routines

A must-have

Mental Routines Template $1

One-page template to create and structure your own mental routines.

Ready-made mental tennis routine for issues such as nerves, choking, losing focus, anger, and feeling lost

Incl. template

Single Ready-Made Routine$5

One of 7 ready-made routines targeting a specific mental challenge during matches.

Bundle of seven ready-made mental tennis routines

Best value!

All 7 Ready-Made Routines$25

All 7 routines covering key situations such as pressure, errors, and emotional control.

Support Your Mental Training

Top Tennis Tracker provides structured match data and performance feedback.
Inner Tennis supports reflection and awareness between matches.
Both tools extend the system introduced in the book.

Ajdin Kolonić, author of The Mental Habits of Winners

About the Author

Ajdin Kolonić is a tennis coach focused on the mental side of the game and the creator of the Triple-5 mental strength model, which forms the basis of The Mental Habits of Winners: A Step-by-Step Guide to Becoming a Mentally Strong Tennis Player.

He helps competitive players train their mental game in a structured and repeatable way.

He is the founder of Slim Tennis, a Dutch mental coaching platform, and the developer of Top Tennis Tracker and Inner Tennis.