British tennis star Emma Raducanu was forced to retire from the Korea Open quarterfinal against top-seeded Daria Kasatkina of Russia due to a persistent foot injury.
SEOUL, SOUTH KOREA (AP) _ Results Saturday from Korea Open at Seoul Olympic Park Tennis Center (seedings in parentheses): Beatriz Haddad Maia (3), Brazil, def. Polina Kudermetova, Russia, 6-2, 6-1.