Meaning 1 ►▼
Baseball has nine innings unless the game is tied; then they go overtime. If a team is behind in the bottom of the ninth, it is their last chance to win the game.
The home team was behind 3 to 2 in the bottom of the ninth. It was the team's last chance to win.
Meaning 2 ►▼
It's the last chance to win.
A business is trying to win a contract. Their opponents are ahead of them. They have one more chance to win the contract. It's the bottom of the ninth.