All Tennis Players How Many Grand Slams Has Martina Hingis Won? Martina Hingis (German pronunciation: [marˈtiːna ˈhɪŋɡɪs]; born Martina Hingisová; 30 September 1980) is a Swiss former professional tennis player.Martina Hingis has won 5 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?
