What was it like to play the young Roger Federer? How did his mindset change as he matured? Discover lessons we can learn from the GOAT's mentality.Coach: Chris Haggard, former world no.19 doubles. Won 7 ATP titles.Bio: Turned pro in 1993. Spent 15 years on the ATP Tour. Excelled at doubles to reach career-high #19 ranking. Stayed in Top 50 for over a decade. Won 7 ATP titles. Reached SF Australian Open and QF of both US Open and Wimbledon. Career wins over Bryan Brothers, Novak Djokovic, Andy Roddick, Leander Paes, Pat Rafter, Leyton Hewitt, and Marat Safin.Birthplace: South AfricaResidency: USALength: 2 min 41 secTheme: Motivation