All Tennis Players How Many Grand Slams Has Frank Hadow Won? Patrick Francis “Frank” Hadow (2 January 1855 – 29 June 1946) was an English tennis player.Frank Hadow 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?