Kudermetova sisters advance to the quarterfinals at the Korea Open in Seoul
Late on Tuesday night, Australia’s Ajla Tomljanovic needed 3 hours and 3 minutes to quell the challenge of local wild-card Jang Su-Jeong in the Hana Bank Korea Open, the WTA 500 tournament in Seoul, to complete the 1st-round of matches and set up a meeting with 4th-seeded Beatriz Haddad Maia from Brazil, who received a…