Rubuta ci gaba don wannan sakin layi - Sassan Kosovo sun zama yankunan Vukašin Mrnjavčević, amma Vojislav Vojinović ya faɗaɗa demesne zuwa Kosovo. Sojojin Vukašin daga Pristina da abokan kawancensa sun kayar da sojojin Vojislav a cikin 1369, suna dakatar da ci gabansa. Bayan Yaƙin Maritsa
a ranar 26 ga Satumba 1371 wanda 'yan uwan Mrnjavčević suka rasa rayukansu, Đurađ I Balšić na Zeta ya ɗauki Prizren da Peć a 1372. Wani ɓangare na Kosovo ya zama demesne na Lazar na Serbia.