According to some historians there was a minor clash between the armies near the village of Kopilovtsi in which the Serbs were repulsed and showed their King that his forces were not enough to achieve success.
Segundo algúns historiadores, houbo un pequeno enfrontamento entre os exércitos preto do pobo de Kopilovtsi no que os serbios foron rexeitados e mostraron ao seu rei que as súas forzas non eran suficientes para alcanzar o éxito.