Caroline Wozniacki dumps Karolina Pliskova out of Rogers Cup

Wozniacki survived three rain delays to book her spot in the WTA Toronto tournament semis with a marathon victory over world No. 1 Karolina Pliskova.

Caroline Wozniacki, of Denmark, warms up for her rain-delayed quarterfinal match against Karolina Pliskova, of the Czech Republic, at the Rogers Cup women's tennis tournament in Toronto. | AP 

Karolina Pliskova, of the Czech Republic, warms up for her rain-delayed quarterfinal match against Caroline Wozniacki, of Denmark, at the Rogers Cup women's tennis tournament in Toronto. | AP

Caroline Wozniacki, of Denmark, hits a backhand to Karolina Pliskova, of the Czech Republic, in their quarterfinal match at the Rogers Cup tennis tournament in Toronto. | AP

Karolina Pliskova, of the Czech Republic, hits a forehand to Caroline Wozniacki, of Denmark, in their Rogers Cup quarterfinal match in Toronto. | AP

Caroline Wozniacki of Denmark keeps an eye on the ball from Karolina Pliskova of the Czech Republic during a Rogers Cup quarterfinal tennis match in Toronto. | AP

Karolina Pliskova of the Czech Republic, chases down a backhand from Caroline Wozniacki, of Denmark, during a Rogers Cup quarterfinal tennis match in Toronto. | AP

Caroline Wozniacki, of Denmark, hits a backhand to Karolina Pliskova, of the Czech Republic, during a Rogers Cup quarterfinal tennis match in Toronto. | AP

Karolina Pliskova, of the Czech Republic, hits a forehand to Caroline Wozniacki, of Denmark, during a Rogers Cup quarterfinal tennis match in Toronto. | AP

Caroline Wozniacki, of Denmark, smiles after defeating Karolina Pliskova, of the Czech Republic, in the quarterfinals of the Rogers Cup tennis tournament in Toronto. | AP

Karolina Pliskova, of the Czech Republic, reacts during her loss to Caroline Wozniacki, of Denmark, in the quarterfinals of the Rogers Cup tennis tournament in Toronto. | AP