About Us

CAtennis is a passionate discussion for serious tennis players, parents and coaches looking for something different. No talk about technique, no talk about useless theory, no gimmicks; just practical advice from first-hand experience on how to improve your tennis. Kick back, drink the content, bounce ideas, and pitch articles (or friend us on Facebook).

Unless otherwise noted, all articles are authored by the founders of CAtennis.  Enjoy!


Founders of CAtennis.com

Ini Ghidirmic

Ini Ghidirmic is currently a business transactions attorney with Slovak Baron & Empey LLP but still enjoys working with developing juniors. Ini grew up in Romania where he learned to play tennis in a coal cellar by hitting against a backboard built by his dad. In 1990, Ini and his family emigrated to Michigan where he continued to hone his tennis skills on the ball machine at Chippewa Racquet Club. Ini was a California boys highschool CIF individual/team champion (1995), a junior college individual/team state champion (1996 College of the Desert) as well as a Fresno State Bulldog (1996-1997) and Pepperdine Wave (1998-2000). Ini spent 3 months on "the tour" and obtained a career high world ranking (ATP) of 835. He also finished 2000 as the No. 1 SoCal Men's Open player. His best professional singles wins include: Mardy Fish (ATP high #17); Dmitry Tursunov (ATP high #20); Raemon Sluiter (ATP high #46); Ronald Agenor (ATP high #22); Phil King (ATP high #286); and Ivica Ancic (ATP high #378). Some of his best college wins include: Peter Luczak (ATP high #64; Fresno State); Matt Breen (ATP high #249; UCLA); and Jack Brasington (ATP #125; Texas).  Ini coaches Elena Bovina (#14 WTA high) and helped Maria Sanchez climb from #650 WTA to #220 from February 2012 to June 2012.  

Video Contributor and Director of Video Production:

Karl Rosenstock

Karl is currently the official tennis X-mo cam videographer for USC Tennis and a Video Contributor and Director of Video Production for CAtennis.com where he provides video content (Karl's Korner) and articles. These days, Karl is most well known as the "tennis slow mo guy" insofar as he provides X-Mo cam high speed videography for tennis coaching and keepsake purposes for college tennis, tennis clubs and tennis tournaments. Karl provides on-court X-Mo video for West Nott during coaching sessions with rising star player, Maria Sanchez. Karl has been a USPTA tennis teaching professional and professional television producer. He has specialties in producing, multi camera studio production and directing, lighting design and studio and remote camera operation. He is certified in AVID editing and has been a long time member of the Bay Area Video Coalition. Karl has pioneered the use of multiple video cameras on court during match play for motion studies - compilation montages created to illuminate progressions of play for coaching purposes in addition to the use of hi-res sequential photos for tennis shotmaking studies. He is also a trained artist and has studied art technique from an early age with a variety of mentors in both New York and California and creates tennis related graphite and watercolor pencil drawings. Karl's latest project is to make drawings of historically important players from the past. 

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