2019 Rogers Cup – Women's singles
Simona Halep was the defending champion, but she retired in the quarterfinals against Marie Bouzková. Bianca Andreescu won the title after Serena Williams retired in the final due to back spasms, with the scoreline at 3–1. Andreescu became the first Canadian to win the event since Faye Urban won the title in 1969. Naomi Osaka regained the WTA no. 1 singles ranking after Ashleigh Barty lost in the second round and Karolína Plíšková lost in the quarterfinals to eventual champion Andreescu. Seeds. The top eight seeds received a bye into the second round. 2019