The hostility between King Tvrtko I of Bosnia and Đurađ II Balšić, ruler of Zeta (one of the Serbian statelets) and vassal of Murad, led to clashes between Bosnians and Turks earlier than would have been expected.
Permusuhan antara Raja Tvrtko I dari Bosnia dan Đurađ II Balšić, penguasa Zeta (salah satu negara kecil di Serbia) dan vasal Murad, menyebabkan bentrokan antara Bosnia dan Turki terjadi lebih awal dari yang diharapkan.