All Tennis Players How Many Grand Slams Has Norman Brookes Won? Sir Norman Everard Brookes (14 November 1877 – 28 September 1968) was an Australian tennis player.Norman Brookes has won 3 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?