Third seed Zheng Saisai comfortably accounted for countrywoman Zhu Lin to reach the quarter-finals of the Monterrey Open on Thursday.
Zheng, who is ranked 27th in the world, triumphed 6-1 6-2 in a dominant display where she was seldom challenged.
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In the last eight, Zheng will face eighth seed Ann Li, who overcame Slovenian Tamara Zidansek 6-4 6-3 at the WTA International tournament.
Zheng is the highest remaining seed left standing in the draw after the first-round exits of top seed Sloane Stephens and Nadia Podoroska.
Russian qualifier Anna Kalinskaya continued her good run with a 6-4 6-3 victory over Nina Stojanovic and she will next face Viktorija Golubic in the quarters – the latter topped Lauren Davis 6-3 6-1.
Your finallineup in Monterrey
— wta (@WTA) March 19, 2021
L. Fernandez vs. V. Kuzmova
A. Schmiedlova vs. S. Sorribes Tormo
A. Li vs S. Zheng
V. Golubic vs. A. Kalinskaya@Abierto_GNP | #AbiertoGNPSeguros2021 pic.twitter.com/vRHd3pBpLc