Jason Stacy publishes The Pressure Code with foreword by Aryna Sabalenka

High-performance coach Jason Stacy has released The Pressure Code: How Elite Performers Align Their Energy, Emotions, and Environment through Matt Holt Books, with a foreword by Aryna Sabalenka. The book distills the system behind Sabalenka’s run of major titles and offers a framework for handling pressure in sports, business and other high-stakes settings.

Why it matters: - Jason Stacy’s book packages the methods behind one of tennis’ most successful recent runs into a broader playbook for performance under pressure. - The release ties elite sports results to lessons for executives, founders and other high-pressure professionals. - Sabalenka’s foreword gives the book direct credibility from the athlete whose results helped shape the framework.

What happened: - Jason Stacy released The Pressure Code: How Elite Performers Align Their Energy, Emotions, and Environment today through Matt Holt Books, an imprint of BenBella Books. - Aryna Sabalenka wrote the foreword. - Stacy has worked with Sabalenka for more than seven years. - The book centers on Stacy’s view that performance depends on an internal operating system, not quick-fix “apps.”

The details: - Stacy’s framework, the 3 Es, breaks performance into Energy, Emotions and Environment. - Energy covers how performers build and spend fuel. - Emotions covers the signals people read and how they regulate them. - Environment covers both physical spaces and internal narratives. - The book also introduces the Loyalty Loop, which begins with keeping promises made to yourself. - Stacy argues that daily self-trust, not momentary motivation, is the foundation of confidence in big moments. - Stacy says pressure does not raise people to their best level; it reveals the code they already run. - The tools in the book are rooted in Stacy’s own life, including witnessing his father’s death at age 11 and surviving on the streets by 13 while using a public library and martial arts to stay grounded. - Stacy has spent three decades coaching Olympic, World and National Champions across tennis, combat sports, professional dance, swimming and gymnastics. - Stacy also advises Fortune 100 executives and founders of billion-dollar companies. - Sabalenka’s results during Stacy’s tenure include back-to-back US Open titles in 2024 and 2025. - Those wins made Sabalenka the first woman since Serena Williams to defend the US Open in New York. - Stacy’s time with Sabalenka also coincided with the highest single-season prize earnings in women’s tennis history. - Sabalenka won 21 consecutive Grand Slam tie-breaks, the longest streak of the Open Era among men and women. - Sabalenka also went 121 straight Grand Slam matches without a straight-sets loss. - Sabalenka writes in the foreword that Stacy has been there the longest and that the partnership is unusual in tennis. - Sabalenka says the book is “not theory” but “real life.” - Marat Safin calls Stacy “a great student, and a great warrior” who converts hard experiences into “pure gold.” - Anton Rabie describes the book as a guide to building an internal operating system that can withstand pressure. - Stacy’s work with Sabalenka has been featured on Netflix’s Break Point, ESPN, TNT Sports and Tennis Channel. - Stacy has also appeared on Good Morning America, FOX & Friends and ABC News Live. - Coverage of Stacy has appeared in The New York Times and Business Insider. - The book is available at thepressurecode.com and wherever books are sold.

Between the lines: - The release reframes athletic success as a repeatable system rather than a mystery of talent or willpower. - Stacy’s personal backstory is positioned as the source of the book’s emphasis on resilience, reset and self-discipline. - The long partnership with Sabalenka stands out in a sport where coaching relationships often end quickly, especially after short-term losses. - The endorsements from Sabalenka, Safin and Rabie aim to bridge elite sport and business audiences.

What’s next: - Stacy will use the book to extend his Pressure Code brand beyond tennis into leadership and performance audiences. - The book’s reception will likely hinge on whether readers see the 3 Es framework as usable outside elite sport. - Continued media attention around Sabalenka’s results could keep the book visible through the next tennis season.

The bottom line: - The Pressure Code turns a seven-year coaching partnership and a string of historic tennis results into a practical framework for performing under stress.