During the Ottoman invasion , two Serbian armies were set up Reforming_a_system to defend Defending the Despotate , 1st army being commanded Control by Nikola Skobaljić in Dubočica , near Leskovac , and the 2nd army being on the banks of Sitnica river in Kosovo .

The young voivode disobeyed the despot , and the invading Attack Ottoman army coming from Macedonia was met Come_together by Nikola Skobaljić near Banja .

He reinforced Cause_change_of_strength his armies and finally confronted Confronting_problem Skobaljić on November 16th , finally defeating Conquering his army at Tripolje ( near Novo Brdo ) , where Voivode Nikola and his men fought Hostile_encounter to the last man , inflicting Bodily_harm disproportionately large casualties Death on Ottoman force Military_operation .

Initially , Serbs led by Nikola Skobaljić scored Getting a decisive victory a month earlier near Leskovac , surprising a much larger Ottoman army .

Nikola Skobaljić continued Process_start his forays Attack against the Ottomans , operating Being_in_operation between Leskovac and Priština , and won several major victories against the armies of the sultan , until Mehmed himself came to confront Hostile_encounter him at the Battle Hostile_encounter of Tripolje ( near Novo Brdo ) .