USPTA SoCal 2023 @ Peninsula Racquet Club - Rancho Palos Verdes, California

How to be a US Professional Tennis Coach (USPTA):
https://www.jctennis.com/2017/04/uspta-professional-exam-tips-and-course.html

Brad and JC
Brad's mugshot on Wikipedia: https://en.wikipedia.org/wiki/Brad_Gilbert#/media/File:Brad_Gilbert.jpg While he was coaching Andy in DC.