Britain’s Emma Raducanu celebrates with the trophy after winning the 2021 US Open. Photo: AFP US Open: ‘Chinese teen’ Emma Raducanu trends on Weibo after historic win - More than 200 million reads of ‘18-year-old Chinese teenager wins the US Open’ hashtag on social media platform - Teenage champion thanks fans in Mandarin in video after beating Leylah Fernandez as debate on China tennis continues Britain’s Emma Raducanu celebrates with the trophy after winning the 2021 US Open. Photo: AFP