Emma Raducanu retires injured in Korea Open quarter-final with Daria Kasatkina - Emma Raducanu

British player ends match early with foot problem Raducanu clearly struggling as she lost opening set 6-1 Emma Raducanus injury difficulties struck again as she retired from her Korea Open quarter-final against Daria Kasatkina. The 21-year-old Briton had just lost the first set 6-1 when she withdrew having struggled with a foot problem. Raducanu had previously beaten two top-50 players in Seoul en route to the last eight;