showdown
US /ˈʃoʊ.daʊn/
UK /ˈʃoʊ.daʊn/

1.
confronto, acerto de contas, embate final
a final confrontation or battle between rivals
:
•
The two rival gangs prepared for a final showdown.
As duas gangues rivais se prepararam para um confronto final.
•
The debate turned into a political showdown between the candidates.
O debate se transformou em um confronto político entre os candidatos.