The IBSF World Under-21 Snooker Championship (also known as the World Amateur Under-21 Snooker Championship) is the premier non-professional junior snooker tournament in the world. The event series is sanctioned by the International Billiards and Snooker Federation and started from 1987. Four winners of this championship subsequently became world professional champion (Ken Doherty, Peter Ebdon, Ronnie O'Sullivan, Neil Robertson)