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Bianca Andreescu
Two weeks ago, Andreescu, 19, became the first Canadian woman in the Open era to win the Rogers Cup in Toronto. It was her first tournament since withdrawing from the French Open with a shoulder injury. Andreescu won four consecutive three-set matches on her way to the title in Toronto, where she won when Serena Williams retired during the final because of back spasms. In March, Andreescu surprised the tennis world by winning at Indian Wells, Calif., defeating Angelique Kerber to claim her first tour title. Andreescu, No.