Divrey Hayamim Alef 18:3-5

Orthodox Jewish Bible

³ And Dovid struck Hadadezer Melech Tzovah unto Chamat, as he [Hadadezer] went to establish his dominion over the river Euphrates.

⁴ And Dovid captured from him elef chariots, and 7,000 parashim, and 20,000 foot soldiers. Dovid also hamstrung all the chariot horses, but reserved of them 100 chariot horses.

⁵ And when the Syrians of Damascus came to help Hadadezer Melech Tzovah, Dovid slaughtered of the Syrians 22,000 ish.