Kuroda Nagamasa
Forces under Kuroda Nagamasa formed the vanguard of the right army and marched toward Hanseong, which deeply disturbed the court at Hanseong. Several of the Ming generals stationed in Korea suggested to the court that they pull back their forces until they could gather more reinforcements, but the Ming administrators overruled their generals and ordered them to make a stand. Thus the chief commander of the Ming forces at the time, Ma Gui, sent out General Jie Sheng (解生) and three other generals with an elite cavalry force to confront the Japanese forces.