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PTR Professional Tennis Registry – Become a certified member in the largest global organization of tennis coaches
![PTR Tennis on Twitter: "We wanted to take a second to congratulate John Moyer on graduating from the PTR Master of Tennis Adult Development Program! This program is one of the hardest PTR Tennis on Twitter: "We wanted to take a second to congratulate John Moyer on graduating from the PTR Master of Tennis Adult Development Program! This program is one of the hardest](https://pbs.twimg.com/media/E7jKpnNXoAQckrF.jpg:large)
PTR Tennis on Twitter: "We wanted to take a second to congratulate John Moyer on graduating from the PTR Master of Tennis Adult Development Program! This program is one of the hardest
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