Lucy and Eugene sit down with coach John Williams for a fascinating one-hour chat.

A master of fitness, with over 20 years' experience, John’s impressive CV includes working with the likes of junior US Open champion Grace Min, former junior world No 1 Donald Young and now Cincinnati doubles champion Taylor Townsend.

We find out how he got into the fitness space, tennis serendipitously calling upon his expertise, the importance of psychology in training, different approaches towards training female and male athletes, the importance of levelling up and much more.

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