All Tennis Players How Many Grand Slams Has Juan Carlos Ferrero Won? Juan Carlos Ferrero Donat (born 12 February 1980) is a Spanish former world No. 1 tennis player.Juan Carlos Ferrero 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?
