 On July 19, Soviet cavalry concentrated near Chorupan, and General Krajowski, aware of the situation, ordered 49th and 145th Infantry Regiments to attack.Surprised, the Red Army cavalrymen scattered in the area, but fighting continued well into the night, ending after Soviet retreat.Due to heavy Polish losses and lack of information about the fate of the 2nd Polish Army, General Krajowski decided to abandon Chorupan on July 19 in the night.