This week's ATP Tennis Radio podcast comes from Shanghai as Roger Federer makes it title number five for the season.Presenters Gigi Salmon and Arvind Parmar discuss events on the court and reporter Matt Brown meets up with Dominic Thiem's coach, Joakim Nystrom, young Russian Next Gen star, Andrey Rublev and China's teen sensation, Wu Yibing.We also hear from John McEnroe, Roger Federer, Rafael Nadal and Novak Djokovic, courtesy of tennis impersonator, Josh Berry.