On her seventh match point, Great Britain's Emma Raducanu ousted No. 8 seed Yuan Yue of China 6-4, 6-3 on Thursday to reach the Korea Open quarterfinals in Seoul.

Yue fought off five match points in the penultimate game against the former U.S. Open champion and one more in the finale before Raducanu advanced in just over 2 hours. Raducanu's next opponent is No. 1 seed Daria Kasatkina of Russia, a 6-4, 6-2 winner over Hailey Baptiste.

No. 3 seed Beatriz Haddad Maia of Brazil eliminated Australia's Ajla Tomljanovic 6-3, 6-4 and Bulgaria's Viktoriya Tomova was leading 7-5, 4-1 when Amanda Anisova retired from the match.

Thailand Open

Nadia Podoroska of Argentina cruised to a 6-3, 6-3 upset of No. 2 seed Katerina Siniakova of the Czech Republic to reach the quarterfinals in Hua Hin, Thailand.

Podoroska saved three of four break points and converted four of her five break opportunities to set up a meeting with either No. 6 seed Katie Volynets or Slovenia's Tamara Zidansek.

Spain's Rebeka Masarova knocked off No. 3 Xinyu Wang of China 7-6 (6), 3-6, 7-5, while Croatia's Jana Fett moved into the final eight with a walkover win against No. 8 Varvara Gracheva of France. Japan's Mai Hontama rallied for a 2-6, 6-4, 6-1 win against Thailand's Lanlana Tararudee.

--Field Level Media