All Tennis Players How Many Grand Slams Has Jana Novotná Won? Jana Novotná (Czech pronunciation: [ˈjana ˈnovotnaː]; 2 October 1968 – 19 November 2017) was a professional tennis player.Jana Novotná 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?