"I learned more talking to Jack for forty minutes than in an entire week of a USTA high performance workshop... Jack is the only coach, other than myself that I let work with Stevie." -Steve Johnson Sr, 2005, San Clemente, CA
"The 8-Board is the best tennis training device I've ever seen!" - Nick Bolletierri
President, JRS Sports, LLC
“My brother Bob and I have known the fluid strokes and the feeling of being “connected” in the game of tennis for much of our lives. It’s great to know the science behind this feeling, so as to use this knowledge to play even better. His revolutionary system and various training devices, including the 8-Board, can help every player feel the natural strokes. I also like it because it helps me loosen up my hips and entire body, before and after I play.”
"Jack, you have the best take on tennis that I've ever heard." - Mike Querrey, Sam's dad, 2004 Easter Bowl, Palm Springs, CA
I have personally trained and coached over a hundred sectional and national-ranked juniors, three national champions and top 20 ATP professional Sam Querrey. I have heard it all from all the so-called “experts” in tennis, USPTA and USTA alike. I have used the principles in the Infinity Tennis System for most of my career, and believe me NO ONE has been able to break down the inner workings of the effortless, nonlinear game better than Jack.
My year-round tennis academy in Encino, California uses the Infinity System as the backbone of our daily teaching curriculum and our results are mind-blowing.
You won’t hear hack clichés like “unit turn, load and explode, move your feet” or “racket back early.” Rather, you learn what’s really going on with the strokes, anticipation and court mobility in today’s world of nonlinear and effortless style of play. You will immediately gain more confidence and a better understanding of what is going on at the highest level of the game.
Tim Schnaible, Coach of Sam Querrey
Match Tough Tennis Academy, Encino, CA