Four-time Grand Slam champion Naomi Osaka set up a China Open last-16 clash with Coco Gauff on Monday, while top seed Aryna Sabalenka also marched on in ruthless fashion.
Osaka defeated 60th-ranked American Katie Volynets 6-3, 6-2 and will face Gauff in a showdown of former U.S. Open champions in Beijing.
World No. 2 Sabalenka swatted aside Ashlyn Krueger 6-2, 6-2 and plays another American in 24th-ranked Madison Keys.
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