TORONTO (AP) Samantha Stosur defeated Roberta Vinci 6-4, 6-1 Friday to reach the semifinals of the Rogers Cup.
The 11th-ranked Australian broke Vinci's serve while leading 5-4 in the first set to take the opener at the Rexall Centre.
Stosur will take on the winner of the match between Andrea Petkovic of Germany and Agnieszka Radwanska of Poland.
Later, Galina Voskoboeva will face Victoria Azarenka in another quarterfinal, and Serena Williams will play Lucie Safarova in the evening.