LINKS
ERSA (European Racquet Stringers Association) : Educate their members and consumers to better understand, service, perform with and enjoy all the technological wonders of racquets, strings, balls, courts, shoes and stringing machines.
The International Alliance of Racquet Technicians (IART) is a global, independent organization dedicated to supporting individuals passionate about the art of racquet service, with a 100% emphasis on tennis.
The only service that offers you an objective classification of tennis strings based exclusively on instrumental data.
