The was part of the decisive Kōzuke-Musashi Campaign during the Genkō War in Japan that ultimately ended the Kamakura Shogunate. Fought in present day Tokorozawa on May 11, 1333, it pitted the anti-shogunate imperial forces led by Nitta Yoshisada against the forces of the Hōjō Shogun. The next day (May 12), the forces again engaged each other in the Battle of Kumegawa. The result of these two days was a victory for the Imperial forces who in less than one week marched 50 kilometers south and finally defeated the Shogun's forces during the Siege of Kamakura.