Petra Kvitova is safely through to the quarter-finals of the Cincinnati Open following a comfortable straight-sets win over Peng Shuai.
The fourth seed broke her Chinese opponent twice in the opening set to take it 6-2 in just 26 minutes.
The Czech then raced through the second just as quickly to close out the match 6-2.
Kvitova will take on Caroline Wozniacki or Anastasia Pavlyuchenkova for a place in the semi-finals.
