Proven Results from First Principles
At the core of Impacting Tennis is Miha Flisek — an engineer, performance consultant, and founder driven by a first-principles approach to tennis. With a background that fuses biomechanics, material science, and elite player support, Miha has helped over 300 players — from aspiring amateurs to seasoned tour professionals — fine-tune every aspect of their game.
From customizing rackets with engineering-level precision to optimizing stroke mechanics and adapting equipment to playing style, his philosophy is simple: better tools, better data, better performance. Whether you’re transitioning to the pro tour, seasoned tour professional looking to unlock the next level or just trying to unlock your potential, we offer a combination of hard science, personal consulting, and decades of hands-on experience to get you there.
2017
Helping players unlock their potential since 2017
300+
Players directly supported through gear, consulting & custom setups
Tour-Level Insight
Trusted by professionals and elite juniors for critical spec decisions