Agnieszka Radwanska reaches quarterfinals at Shenzhen Open

Radwanska will next face Alison Riske of the United States, the player she beat in last year’s final. Riske advanced by beating Tsvetlana Pironkova on Bulgaria 6-1, 6-1.

Third-seeded Johanna Konta also reached the quarterfinals after rallying to beat Vania King 1-6, 6-3, 6-2, while Wang Qiang defeated seventh-seeded Monica Niculescu 7-6 (1), 6-4.