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.

The top seed Daria Kasatkina has reached the final of the Korea Open tennis tournament. Kasatkina, world No. 13 from Russia, defeated countrywoman Diana Shnaider 6-3, 6-4 in the semifinals of the lone WTA event in South Korea at Olympic Park Tennis Center in Seoul on Saturday.

Number three seed Haddad Maia lost the opening set in just 26 minutes but turned the tide in the second, before going on to close out the match in a gutsy performance in Seoul.

No.3 seed Beatriz Haddad Maia advanced to her second Hologic WTA Tour final in the last five weeks after easing past Veronika Kudermetova in the Hana Bank Korea Open semifinals.

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 pulled double duty to beat the Kudermetova sisters in back-to-back singles matches at the Korea Open on Saturday, reaching the final to face top-seeded Daria Kasatkina. The quarterfinals and semifinals were played on the same day because rain washed out all action Friday.

Russia's top seed Daria Kasatkina will face Brazil's Beatriz Haddad Maia in Sunday's Korea Open final after both came through their semi-finals in straight sets.