Leonidas Chronas is a professional stringer, accredited by the European Racquet Stringing Association  with a Master Professional Stringer certificate.

Having strung the rackets of the world’s top players in ATP tournaments, such as Stefanos Tsitsipas, Stan Wawrinka, Daniil Medvedev, Gael Monfils, Denis Shapovalov,  Matteo Berrettini, Karen Khachanov, Jannic Sinner, Alex De Minaur,Marin Cilic, Felix Auger-Aliassime Victor Troicki, etc and participating every year in pan-European stringer conferences to keep up to date with the latest developments in string and racquet technologies, we ensure you the best service in the service of your racquet as well as in the selection of the right racquet for you.

We also have the top stringing machines in the world (Wilson Baiardo, Tecnifibre Ergo ATP) as well as the brand new Head diagnostic machine (Head Tuning Center) for the ultimate customization of your racket.

Leonidas Chronas is the owner of the Tennis Shot store, specializing in Tennis and racket sports.

At Tennis Shot we provide comprehensive services for your racquet as well as a full range of products related to all racquet sports.