extra inning

plural-normally

(baseball, usually in the plural) An additional inning of play required to break a tie.

Japanese Meaning

同点の場合に勝敗を決するために追加で行われる野球のイニング。

Fans held their breath in the extra inning as the pitcher faced the opposing team's best hitter.

観客は延長戦で息をのんで見守り、投手は相手チームの最強打者と対峙した。

Sense（1）

(baseball, usually in the plural) An additional inning of play required to break a tie.

We'll have to play another extra inning in this game.

extra innings

（ plural ）