20 The Israelites went out to fight the Benjamites and took up battle positions against them at Gibeah.

Read Judges 20:20 Using Other Translations

And the men of Israel went out to battle against Benjamin; and the men of Israel put themselves in array to fight against them at Gibeah.
And the men of Israel went out to fight against Benjamin, and the men of Israel drew up the battle line against them at Gibeah.
Then they advanced toward Gibeah to attack the men of Benjamin.