Zhengzhou Open: Zheng advances to quarter-finals, defeats third seed Sakkari
Qinwen Zheng defeated Maria Sakkari 7-6 (2), 6-3 on Wednesday afternoon. She’ll play Ukrainian Anhelina Kalinina in the next round

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