The court will dwarf her prize money on the court. she is the most marketable british athlete since david beckham, because she is the complete package. she's young, she's already winning millions of social media followers, which increases her influence as a brand, she has a multicultural background and she won her grand slam in america, one of the most important consumer markets in the world. here at the lta's headquarters, tennis chiefs insist much more investment is still needed into publicly available park courts and indoor facilities like this one, if raducanu's success is to translate int...