Caroline Wozniacki has brushed aside Sesil Karatantcheva in straight sets to make it through to the third round of the Cincinnati Open.
The sixth seed broke serve twice as she took the opening set 6-1 against the Kazakh.
The former world number one then finished her opponent off 6-0 to clinch the victory in just one hour.
Wozniacki will meet 17th seed Anastasia Pavlyuchenko in the next round.