showdown
//ˈʃoʊˌdaʊn//
Noun
showdownSingular
showdownsPlural
1
A final confrontation or decisive contest intended to settle a dispute or determine a winner.
The two rival teams are preparing for a showdown in the championship game.
2
In poker, the moment when remaining players reveal their cards to determine who wins the pot.
At the showdown, he revealed a royal flush and won the entire pot.