The Professional Tennis Registry (PTR) is an international organization dedicated to the education and certification of tennis teaching professionals. Founded in 1976, it aims to promote the sport of tennis through high-quality coaching and training programs. PTR offers various levels of certification, workshops, and resources to help instructors improve their skills and knowledge. PTR also focuses on developing tennis at all levels, from beginners to advanced players. The organization provides support for tennis clubs, schools, and community programs, fostering a love for the game. By connecting coaches and players, PTR plays a vital role in growing the sport globally.