US Open champion Emma Raducanu wowed audiences after she thanked fans in China for their support – in fluent Mandarin. The 18-year-old, who was born in Toronto, Canada to a Romanian father and Chinese mother, moved to Bromley in south London when she was two. Yesterday she became the first British woman in 44 years to win a Grand Slam title after she defeatedLeylah Fernandez in straight sets. The final scoreline of the match was 6-4, 6-3, meaning she didn’t drop a single set in the entire tournament. After her magnificent win Raducanu showed a glimpse of her Mandarin speaking...