Seoul - Top-seeded Agnieszka Radwanska advanced to the quarter-finals of the Korea Open on Thursday with a 6-2, 6-1 win over Estrella Cabeza Candela.
Radwanska, making her debut in Seoul tournament, will next face against Vera Dushevina.
Japanese veteran Kimiko Date-Krumm upset second-seeded Maria Kirilenko 6-3, 6-1 and will face Francesca Schiavone in the quarters.
Wild-card entry Jang Su-jeong also advanced with a 1-6, 6-4, 6-1 win over qualifier Ons Jabeur. Jang faces Lara Arruabarrena in the last eight.
Results from the WTA Korea Open on Thursday:
Agnieszka Radwanska (POL x1) bt Estrella Cabeza Candela (ESP) 6-2, 6-1
Jang Su-Jeong (KOR) bt Ons Jabeur (TUN) 1-6, 6-4, 6-1
Kimiko Date-Krumm (JPN) bt Maria Kirilenko (RUS x2) 6-3, 6-1