Serena Williams beats Caroline Wozniacki in Montreal . Williams comes from a break and break down to win three - setter . Serena rivals Venus for a place in the final . Jo - Wilfried Tsonga extends fine run at Toronto Masters tennis event .
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 . Jo-Wilfried Tsonga extends fine run at Toronto Masters 1000 event .