Tvrtko lost his ground , while the united Bosnians for the first time shifted their allegiance from Hungary to the Ottomans .
Contrary to expectations , however , the Turks recognized Ostoja as legitimate king .
Tvrtko lost his ground , while the united Bosnians for the first time shifted their allegiance from Hungary to the Turks .
Contrary to expectations , however , the Turks recognized Ostoja as legitimate king .