Elevate Your Tennis Game

Join the elite at our high-performance tennis academy. Perfect your serve, ace your skills!

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Beautiful Branch Campus in Huzhou, China

Tier1-IBG中国分校正式落户于美丽的中国湖州国际红土网球中心，6片法国罗兰·加洛斯标准的红土球场 + 4 片标准硬地球场，于2025年3月30日开始运作！(Video HERE)
Starting March 30, 2025, Tier1-IBG China Branch Campus started operating at The Huzhou International Tennis Center!

Elevate Your Tennis Game at Tier1-IBG

Located in Los Cab Sports Village, Fountain Valley, CA, Tier1-IBG is a high-performance tennis academy dedicated to helping players of all levels reach their full potential. With expert coaching and state-of-the-art facilities, we are committed to taking your game to the next level.

Elite Coaching Team and Prime Star Players

Alex Michelson in ATP 36 (left) Learner Tien in ATP 80 (right)

Practice at U.S Open Central Court

Alex and Learner preparing for Grand Slam matches with coaches Jay and Eric.

Our College Players

Our Senior Coach Consultant

Former U.S. National Team Player and Coach, No.6 in the World

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Formerly Davis Cup Player, 2 NCAA Final Four Team Appearances, 3 Top-five National Team Rankings Founder and director of Tier1-IBG tennis Academy. Coach of Alex Michelson and Learner Tien.

Founder and Director—-Eric Diaz

Former US Tennis Federation National Coach, Former ATP coach of Jason Jung ( career high of ATP 118),Former WTA coach of Ashley Kratzer ( WTA117) , Founder and director of Tier1-IBG Academy. Coach of Learner Tien and Alex Michelson.

Founder and Director—Jason Leavitt

A high performance development coach with over 18 years experience. Adam has worked with some of the top juniors in the country for some of the most successful academies in the U.S. Adam was a development coach with Northwest High Performance Tennis center (A USTA High Performance training center) for 11 years.

Head coach——Adam Clauson

Tennis Promoter and Investor

Founder—Steven Shi

Former U.S. National Team Coach, Personal Coach for Pete Sampras and other former ATP & WTA ranked top-20 players. Former USTA Director of High-Performance-Tennis, Formerly Ranked 6 thru 15 for over 5 years on ATP Tour, Winner of 10 Grand Prix Titles and Winner of French Open mixed doubles.

Senior Coach Consultant—-Eliot Teltscher

Former National Team Fitness Coach Worked with: Taylor Fritz, John Isner, Marty Fish, Alex Michelsen . ———-Rodney Marshall

Formerly Davis Cup Player, 2 NCAA Final Four Team Appearances, 3 Top-five National Team Rankings Founder and director of Tier1-IBG tennis Academy. Coach of Alex Michelson and Learner Tien.

Founder and Director—-Eric Diaz

Former US Tennis Federation National Coach, Former ATP coach of Jason Jung ( career high of ATP 118),Former WTA coach of Ashley Kratzer ( WTA117) , Founder and director of Tier1-IBG Academy. Coach of Learner Tien and Alex Michelson.

Founder and Director—Jason Leavitt

A high performance development coach with over 18 years experience. Adam has worked with some of the top juniors in the country for some of the most successful academies in the U.S. Adam was a development coach with Northwest High Performance Tennis center (A USTA High Performance training center) for 11 years.

Head coach——Adam Clauson

Tennis Promoter and Investor

Founder—Steven Shi

Former U.S. National Team Coach, Personal Coach for Pete Sampras and other former ATP & WTA ranked top-20 players. Former USTA Director of High-Performance-Tennis, Formerly Ranked 6 thru 15 for over 5 years on ATP Tour, Winner of 10 Grand Prix Titles and Winner of French Open mixed doubles.

Senior Coach Consultant—-Eliot Teltscher

Former National Team Fitness Coach Worked with: Taylor Fritz, John Isner, Marty Fish, Alex Michelsen . ———-Rodney Marshall

Formerly Davis Cup Player, 2 NCAA Final Four Team Appearances, 3 Top-five National Team Rankings Founder and director of Tier1-IBG tennis Academy. Coach of Alex Michelson and Learner Tien.

Founder and Director—-Eric Diaz

Former US Tennis Federation National Coach, Former ATP coach of Jason Jung ( career high of ATP 118),Former WTA coach of Ashley Kratzer ( WTA117) , Founder and director of Tier1-IBG Academy. Coach of Learner Tien and Alex Michelson.

Founder and Director—Jason Leavitt

A high performance development coach with over 18 years experience. Adam has worked with some of the top juniors in the country for some of the most successful academies in the U.S. Adam was a development coach with Northwest High Performance Tennis center (A USTA High Performance training center) for 11 years.

Head coach——Adam Clauson

Tennis Promoter and Investor

Founder—Steven Shi

Former U.S. National Team Coach, Personal Coach for Pete Sampras and other former ATP & WTA ranked top-20 players. Former USTA Director of High-Performance-Tennis, Formerly Ranked 6 thru 15 for over 5 years on ATP Tour, Winner of 10 Grand Prix Titles and Winner of French Open mixed doubles.

Senior Coach Consultant—-Eliot Teltscher

Former National Team Fitness Coach Worked with: Taylor Fritz, John Isner, Marty Fish, Alex Michelsen . ———-Rodney Marshall

Train with Tier1-IBG

Elevate your tennis skills at our high performance academy in Fountain Valley.

Join now