Caroline Wozniacki has booked her place in the third round of the US Open with a comprehensive 6-3 6-4 victory over Aliaksandra Sasnovich of Belarus.
The Dane saw off her opponent inside 40 minutes, with a late fightback from Sasnovich in the second set not quite enough to force a turnaround.
The 10th seed wrapped up the match by serving out the final game to 15, putting the Belarusian to the sword with a powerful first serve she could only stab at.
Wozniacki will take on Andrea Petkovic of Germany in round three.
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