The former world women's tennis number one Serena Williams has continued her impressive return to form with a convincing 6-3 7-6 victory over Czech Lucie Hradecka in the first round of the Cincinnati Open.
Williams, fresh from clinching the Toronto Cup last week, is looking for her third tournament win since coming back from an 11-month injury lay-off in June.
The American will next face the woman she beat in the Toronto final -- Australian Samantha Stosur -- in the second round.
Tenth-seeded Stosur brushed aside Eleni Daniilidou of Greece 6-3 6-1 in her opening match.
