Charleston Open: Zheng beats Mertens to reach quarter-finals
The third seeded Chinese woman will play No 9 seed Ekaterina Alexandrova in the next round

China’s Qinwen Zheng, the No 3 seed, reached the quarter-finals of the Charleston Open by winning against Belgian Elise Mertens, the No 13 seed, 6-3, 3-6, 6-3 at the Family Circle Tennis Center on Thursday.
Zheng, ranked No 8, will face No 9 seed Ekaterina Alexandrova next.
The 22-year-old Chinese beat Greek Maria Sakkari (6-4, 6-1) earlier in the week.
In the previous round of the tournament, Mertens, ranked No 28, defeated Frenchwoman Varvara Gracheva (6-3, 7-5).
Charleston WTA 500, other round of 16 results (Family Circle Tennis Center, clay, USD 1.064.510, most recent results first):
- Jessica Pegula (1) beat Ajla Tomljanovic: 6-3, 6-2
- Danielle Collins (7) beat Jelena Ostapenko (11): 7-5, 6-3
- Emma Navarro (4) beat Ashlyn Krueger (15): 4-6, 6-4, 6-2
- Ekaterina Alexandrova beat Diana Shnaider (6): 6-2, 6-1
- Amanda Anisimova (8) beat Yulia Putintseva (10): 6-4, 6-4
- Daria Kasatkina vs. Sofia Kenin
- Anna Kalinskaya vs. Madison Keys
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