五分五分

even odds

→ 5分
phrase Rare #34,625
even odds Describes a situation where the chances are equal or neither side has an advantage. It can also describe an even split or equal share.
JA: この試合の勝敗は五分五分だ。
EN: The chances of winning this match are even.

五分五分ってところかな

I'd say it's about fifty-fifty.

— Брат 2 (2000)

五分五分だ

It's anyone's guess.

— TAXi (1998)

君は食べ物を買ったのだから僕がワインを買えば五分五分になる。

Since you bought the food, if I buy the wine, we’ll be even.