Emma Raducanu's injury problems struck again as she retired from her Korea Open quarter-final against top seed Daria Kasatkina.
American Madison Keys defeated Russian Daria Kasatkina 6-2 7-6 (13) after a lengthy second-set tie-break to claim the Rothesay International title at Eastbourne.
Daria Kasatkina has hit out at the French Open crowd after she was booed off court following her defeat by Elina Svitolina.