playoff; tiebreaker; a match to decide (something such as the winner)

An extra game of soccer, baseball, martial arts, etc; an extra time; an extra innings.

A kind of chicken fight: a Japanese game, in which one person “rides” on top of a group of supporters while wearing a hat or flag, which the person tries to defend, while their team attempts to grab the opposing team's hat or flag.

the final game or games, final race or races, finals

psychological warfare

(rare) war bow

gunfight; firefight

Clipping of 零式艦上戦闘機 (Rei-shiki Kanjō Sentōki, “Type 0 Carrier Fighter: Mitsubishi A6M Zero”).

a (single) battle, match, fight

to fight a single match