 Nyorai kuenderera mberi kweiyi ndima - Murad akarwa nebeylik ine simba yeKaraman muAnatolia uye vachipesana nemaSerbia, maAlbania, maBulgaria nemaHungary muEurope. Kunyanya, mushandirapamwe weSerbia wekudzinga maTurkey kubva kuAdrianople inotungamirwa nehama dzeSerbia Mambo Vukašin naDespot Uglješa, vakakundwa musi waGunyana 26, 1371, nemukuru wechipiri weMurad anokwanisa Lala Şâhin Paşa, gavhuna wekutanga beylerbey weRumeli. Muna 1385, Sofia yakawa mumaoko evaOttoman. Muna 1386 Muchinda Lazar Hrebeljanović akakunda mauto eOttoman muhondo yePločnik. Mauto eOttoman akatambura kurasikirwa kukuru, uye akakundikana kutora Niš munzira yekudzoka. 