But Raducanu knows full well that a little-known qualifier can upset the odds at a Grand Slam after she famously won the US Open as a teenage qualifier three years ago. And Sun, ranked 123rd in the world, produced one of the shocks of the tournament when she beat Chinese eighth seed Zheng Qinwen in the first round. Follow live coverage of Emma Raducanu vs Lulu Sun below with Standard Sport’s Dom Smith at Wimbledon!