A video of US Open winner Emma Raducanu thanking her fans in fluent Mandarin has gone viral.In a clip posted on Twitter by CGTN Sports Scene, Raducanu thanked her fans in China for their support after she earned a historic Grand Slam title at the US Open."Hi, everyone," she said in perfect Mandarin. "I wanna say thank you to you guys and I hope you could enjoy my tennis. I'm thrilled to win. Love you all, see you."The video has now been viewed more than 1.3 million times and shared widely. "Authentic Shenyang accent," a social media user commented. "Love it. Love it. She speaks so well," said another.Raducanu’s mother hails from Shenyang, a sub-provincial city in the north-east of China. Before the COVID-19 pandemic, Raducanu regularly travelled to the area to visit family and train at the Shenyang Institute of Physical Education.The tennis star has also credited her mother and her family her success. "They are so mentally resilient - it's like nothing can bring them down," she said. "I would say I take a big part of my inspiration from her. My mum has worked very hard."

Emma was born in Toronto in Canada in 2002, before her family moved to England when she was two. Her father is Romanian.

Raducanu rocketed to international stardom at the US Open this month. After defeating Leylah Fernandez 6-4, 6-3 in the final at Flushing Meadows, she became the first ever qualifier to ever win a Grand Slam title, winning 10 matches on her way to the title.

She also became the first female British tennis player to win a major since 1977, with Virginia Wade, the winner of Wimbledon 44 years ago, in the crowd at the Arthur Ashe Stadium.

Britain's Emma Raducanu made history as she won the US Open

Raducanu, who began this year ranked 345th in the world and only made her debut on the WTA tour in June, did not drop a single set throughout the tournament. The 18-year-old is now world number 23.

Her achievement earned praise from a host of British sports stars, including David Beckham, Marcus Rashford, Adam Peaty, and Lewis Hamilton.

Judy Murray, mother of tennis legend Andy Murray, posted a message of support on Twitter alongside a photo of a young Raducanu with Romanian player Simona Halep.

"We should never underestimate the importance of female role models in sport and creating opportunities for young athletes to get close to them," Murray wrote.