All Tennis Players How Many Grand Slams Has Muriel Robb Won? Muriel Evelyn Robb (13 May 1878 – 12 February 1907) was an English female tennis player.Muriel Robb 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?