Brazil's Beatriz Haddad Maia won the fourth title of her career after beating Russian Daria Kasatkina 1-6, 6-4, 6-1 in Sunday's Korea Open tennis final.Haddad Maia, world No. 17, 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.Kasatkina, ranked 13, has now lost four of her five finals this year.Source: Qatar News Agency