Top-ranked Jin Young Ko closed with an 8-under 64 on Sunday to win the CP Women's Open by five shots over Nicole Broch Larsen.

The South Korean pulled away with six birdies on the back nine to finish the tournament at 26-under 262. Defending champion Brooke Henderson of Canada (69) finished seven shots off the lead in a tie for third place with American Lizette Salas (64).

Ko and Broch Larsen, who is from Denmark, entered the final round tied for the lead.

Jin Young Ko of South Korea watches her tee shot on the ninth hole during the final round of the CP Women's Open in Aurora, Ontario, Sunday, Aug. 25, 2019. (Frank GunnThe Canadian Press via AP)

Jin Young Ko of South Korea watches her tee shot on the ninth hole during the final round of the CP Women's Open in Aurora, Ontario, Sunday, Aug. 25, 2019. (Frank GunnThe Canadian Press via AP)

The round was broken up into trios, with groups teeing off at the first and 10th tees to ensure it didn't run up against the PGA's Tour Championship finale.

Ko cemented the victory with birdies on four of her last five holes. She earned $337,500 of the $2.25 million purse with the win.

Jin Young Ko of South Korea kisses the trophy after winning the CP Women's Open in Aurora, Ontario, Sunday, Aug. 25, 2019. (Frank GunnThe Canadian Press via AP)

Jin Young Ko of South Korea kisses the trophy after winning the CP Women's Open in Aurora, Ontario, Sunday, Aug. 25, 2019. (Frank GunnThe Canadian Press via AP)

 Jin Young Ko of South Korea walks up the eighteenth fairway with Brooke Henderson of Canada on her way to winning the CP Women's Open in Aurora, Ontario, Sunday, Aug. 25, 2019. (Frank GunnThe Canadian Press via AP)

Jin Young Ko of South Korea walks up the eighteenth fairway with Brooke Henderson of Canada on her way to winning the CP Women's Open in Aurora, Ontario, Sunday, Aug. 25, 2019. (Frank GunnThe Canadian Press via AP)

 Nicole Broch Larsen of Denmark watches her tee shot on the ninth hole during the final round of the CP Women's Open in Aurora, Ontario, Sunday, Aug. 25, 2019. (Frank GunnThe Canadian Press via AP)

Nicole Broch Larsen of Denmark watches her tee shot on the ninth hole during the final round of the CP Women's Open in Aurora, Ontario, Sunday, Aug. 25, 2019. (Frank GunnThe Canadian Press via AP)