Russia claims to have struck multiple Ukrainian military equipment, while Ukraine claims to have repelled Russia's multi-directional attacks.

On December 13, Jinshi Data reported that the Russian Ministry of Defense released a battle report on the 12th, stating that in the past day, Russian armed forces killed and injured 1,345 Ukrainian soldiers and destroyed multiple Ukrainian military equipment including tanks, armored vehicles, and American-made grenade launchers. The Russian air defense forces also shot down four American-made "Harpoon" rockets and 37 drones. In addition, the Russian military also controlled the settlement of "Zariya" in the Donetsk region. The General Staff of the Ukrainian Armed Forces stated that there were 203 battles in the front-line area in the past day, and the front-line situation is still severe. The Ukrainian Air Force, Missile Force, and Artillery Force destroyed multiple gathering areas and control points of Russian soldiers. In the directions of Kharkiv, Pokrovsk, and Kurakhovo, the Ukrainian army repelled multiple attacks by the Russian army. In addition, the Ukrainian army continued to carry out operations in the Kursk region.