Zhengzhou Open: Zheng advances to quarter-finals, defeats third seed Sakkari

Chinese Qinwen Zheng advanced to the quarter-finals of the Zhengzhou Open by winning against Greek Maria Sakkari, the No 3 seed, 7-6 (2), 6-3 at Zhongyuan Tennis Training Base Management Center on Wednesday.

Zheng, ranked No 24, will face Ukrainian Anhelina Kalinina next.

The 21-year-old Chinese beat Ukrainian qualifier Kateryna Volodko (6-4, 6-3) ahead of her victory.

Zhengzhou WTA 500, other second-round results (Zhongyuan Tennis Training Base Management Center, hard, USD 780.637, most recent results first):

• Barbora Krejcikova vs. Petra Martic
• Zhuoxuan Bai vs. Daria Kasatkina
• Ons Jabeur vs. Lucia Bronzetti
• Liudmila Samsonova vs. Laura Siegemund
• Lesia Tsurenko vs. Donna Vekic
• Jasmine Paolini beat Caroline Garcia (6): 3-6, 6-4, 7-5
• Anhelina Kalinina beat Vera Zvonareva (Q): 7-5, 6-1