noun
path to victory; winning scenario
Used in contexts like games, sports, business, or politics to describe a sequence of moves or conditions that lead to winning.
この試合で勝ち筋を見つけるのは難しい。
It's hard to find a path to victory in this match.
彼は常に勝ち筋を考えて行動している。
He always acts with a winning scenario in mind.