All Tennis Players How Many Grand Slams Has Bianca Andreescu Won? Bianca Vanessa Andreescu (Romanian pronunciation: [andreˈesku]; born June 16, 2000) is a Canadian professional tennis player.Bianca Andreescu has won 1 Grand Slam.Bianca Andreescu has won 1 Grand Slam. FacebookTwitterEmail How Many Grand Slams Has Madison Keys Won? How Many Grand Slams Has Jannik Sinner Won? How Many Majors Has John Isner Won?