eliminator
noun [ C ] UK uk/iˈlɪm.ɪ.neɪ.tər/ us/iˈlɪm.ə.neɪ.t̬ɚ/
淘汰赛
a part of a competition in any game or sport where one person or team plays against another to decide which of them will continue to the next stage and which will be removed from the competition