All Tennis Players How Many Grand Slams Has Ted Schroeder Won? Frederick Rudolph “Ted” Schroeder (July 20, 1921 – May 26, 2006) was an American tennis player.Ted Schroeder has won 2 Grand Slams. FacebookTwitterEmail How Many Grand Slams Has Madison Keys Won? How Many Grand Slams Has Jannik Sinner Won? How Many Majors Has John Isner Won?