What do the opening of words of this verse resume?
Judges (Juges) 11:32 (ESV)
32So Jephthah crossed over to the Ammonites to fight against them, and the LORD gave them into his hand.
The opening words of Judges 11:32 resume the closing words of Judges 11:29. This clearly indicates that the vow was an interruption to Jephthah’s movement from being given the Spirit to his victory in battle.
32 So Jephthah crossed over to the Ammonites to fight against them, and the LORD gave them into his hand.