UPDATE 1-Tennis-Toronto Cup women's singles semi-final results

Aug 13 (Reuters) - Toronto Cup women's singles semi-final result from Canada on Saturday (prefix denotes seeding)

 Serena Williams (U.S.) beat 4-Victoria Azarenka (Belarus) 6-3
6-3              
10-Samantha Stosur (Australia) beat 13-Agnieszka Radwanska
(Poland) 6-2 5-7 6-2