 The HOS Headquarters estimated that Đurišić's army, on the way to the Lijevče field, numbered a total of 10-12,000 troops.Partisan reports estimated that Đurišić had around 10,000 troops once he reached eastern Bosnia in mid-February 1945.On 30 March, the Chetnik forces passed the Vrbas River and took the village of Razboj.