US Open champion Raducanu can ‘rule the world’ says former coach

Emma Raducanu’s stunning US Open triumph showed the British teenager can “rule the world” of women’s tennis, according to her former coach. Raducanu has become a global sensation after the 18-year-old stormed through qualifying to win the US Open in just her second Grand Slam appearance. She defeated Leylah Fernandez in Saturday’s final in New York