it probably will happen in the 12 months after that and we've got to protect her, because her world, it's going to hit her like a sledgehammer. i don't think she realises what's coming her way. having sprung from relative obscurity just a few weeks ago, raducanu is now one of the world's most marketable athletes. she speaks mandarin the teenager, whose mother is chinese, thanking fans in fluent mandarin, the latest sign of her global appeal. i think quite quickly, her sponsorship earnings off 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