For seven days the armies camped opposite each other, and on the seventh day the battle ensued, and the Israelites struck down the Arameans—a hundred thousand foot soldiers in one day.
We have here an account of another successful campaign which Ahab, by divine aid, made against the Syrians, in which he gave them a greater defeat than in the former. Strange! Ahab idolatrous and yet victorious, a persecutor and yet a conqueror! God has wise and holy ends in suffering wicked men to prosper, and glorifies his own name thereby. I.
Commenting on 1 Kings 20:22-30
And they pitched one over against the other seven days,.... Very probably the Israelites pitched upon an hill, and the Syrians waited till they changed their position, not caring to fall upon them, though so very supernumerary to them, for the reason before given: and so it was, that in the seventh day the battle was joined; or they that made war drew nigh, as...
Slew a hundred thousand footmen in one day - This number is enormous; but the MSS. and versions give no various reading.