いっ はつ勝負 しょうぶじゃなかったです
i' hatsushōbujanakattadesu

Noun
Desu Copula

The polite, past negative form of 一発勝負

1. Wasn't a one-shot deal.; Wasn't a do-or-die situation.; It wasn't all or nothing.

Past/Perfective
Negative
Polite
Casual Register