Emma Raducanu has made her intentions to be a truly global star clear after her newly-launched Weibo account picked up thousands of followers in just a few hours. The US Open champion speaks fluent Mandarin having grown up speaking the language with her mother Renee, who is from Shenyang in north-eastern China. Raducanu recorded an initial message in Chinese for the US Open’s own press channels earlier this week, but has now released one of her own. In it, Raducanu thanked her fans and said she regretted not being able to play in China in 2021; the WTA’s autumn swing…