Bianca Andreescu became the first Canadian to win a Grand Slam singles title, beating Serena Williams 6-3, 7-5 on Saturday in the US Open women’s final. The 19-year-old from Mississauga used her powerful forehand — and was helped by an uncharacteristically bad service game from the veteran Williams — for her third tournament win of the season, and biggest by far of her career, in her first US Open main draw appearance. SportsNet