Emma Raducanu made her first retirement of the season at the Korea Open in Seoul on Saturday. Suffering from pain in her left foot, she pulled out of her quarter-final against top seed Daria Kasatkina while trailing 6-1.

A foot injury forced Emma Raducanu to retire from the Korea Open quarter-finals on Saturday, while third seed Beatriz Haddad Maia beat sisters Polina and Veronika Kudermetova on the same day to set up a Korea Open final clash with top seed Daria Kasatkina.

Beatriz Haddad Maia advanced to the rain-delayed semifinals of the Korea Open with a 6-2, 6-1 win over Polina Kudermetova on Saturday. The Brazilian was the 2017 runner-up in the Seoul WTA 500-level tournament.