In early April 1920, the unit several times clashed with the enemy, capturing several villages, 200 prisoners and 13 machine guns. In mid-April, Marshal Józef Piłsudski ordered Polish Army units in Volhynia to prepare the offensive into the Ukraine (see Kiev Offensive (1920)). The 11th regiment, as part of Operational Group of General Edward Rydz-Śmigły, was tasked with capturing Kiev, and began the advance on April 24. After several clashes with the Red Army, in late May it captured Bila Tserkva