In the three-day battle Hostile_encounter the Ottoman army under the command Control of Sultan Murad II defeated Conquering the Crusader army of regent John Hunyadi .

Having failed to locate Placing the main Ottoman army , whom he believed Know to still be at their capital in Edirne , Hunyadi was caught by surprise on 17 October when the Ottoman army appeared Presence in front of his men at Kosovo Field .

On 19 October Murad II used Using his `` sipahi '' cavalry from Thessaly to envelop Besieging the cavalry on the Crusader left flank , along with a general assault Attack all along the line to distract Preventing_or_letting Hunyadi from the primary effort .

Despot Đurađ Branković suggested Convincing that Skobaljić either surrender , or hide from the Ottoman army until John Hunyadi is able to reinforce Cause_change_of_strength or liberate Hold the trapped half of the Serbian army , which would render the Ottomans to pillage Violence and raze Damaging the rich southern part of the despotate with no resistance .

Skobaljić continued his forays against the Ottomans , operating Being_in_operation in Southern Serbia and the Leskovac area , and scored Getting several victories against the armies of the Sultan , especially in the Battle Hostile_encounter of Kruševac , with the help Assistance of John Hunyadi .

The victory at Leskovac allowed Preventing_or_letting John Hunyadi and Đurađ Branković to decisively strike Attack at the isolated Turkish army , and launch Process_start a major offensive Attack , ravaging Destroying Niš and Pirot , and burning Bodily_harm down Vidin .