J.卡希爾 詹姆斯-卡希爾Cahill caused one of the biggest upsets in the history of the World Championship when he beat Ronnie O’Sullivan 10-8 in the first round at the Crucible in 2019.
He was the first amateur ever to play at the Crucible having come through the qualifying rounds, and he stunned world number one and five-time World Champion O’Sullivan with a superb performance.