Maria Sharapova has withdrawn from the US Open with a shoulder injury.

Fourth seed Kim Clijsters overcame three match points to beat 10th seed Maria Sharapova in the final of the Cincinnati Open last night.

Third seed Elena Dementieva was a surprise loser in the second round of the Cincinnati Open yesterday, going down in straight sets to fellow Russian Anastasia Pavlyuchenkova.

Maria Sharapova recovered from a poor second set to dump fellow Russian Svetlana Kuznetsova out of the Cincinnati Open in the first round on Tuesday night.

Former world number one Ana Ivanovic fought from a set down to dump ninth seed Victoria Azarenka out of the Cincinnati Open on Monday night.