Serena Williams beats Caroline Wozniacki in Montreal . Williams comes from a set and break down to win three-setter . Faces sister Venus for a place in the final . It was to set up a semifinal match with her elder sister Venus , who later also came from a set down to beat Carla Suarez Navarro . TL;DR
Serena Williams beats Caroline Wozniacki in Montreal . Williams comes from a set and break down to win three-setter . Faces sister Venus for a place in the final . TL;DR