All Tennis Players How Many Grand Slams Has Vitas Gerulaitis Won? Vytautas Kevin Gerulaitis (July 26, 1954 – September 17, 1994) was an American professional tennis player.Vitas Gerulaitis 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?