As a result of the battle, the 11th Tank Regiment lost 96 men, including Colonel Ikeda, and 27 tanks, but with support from infantry units and anti-aircraft guns, they succeeded in pushing the Soviet forces back toward Takedahama. Thanks to the efforts of Japanese heavy artillery units and eight Army and Navy aircraft (including a Navy plane that sank a Soviet minesweeper in a suicide attack), the Japanese gained the upper hand and were able to drive the Soviet forces into the sea and destroy them, but a ceasefire was called on the 21st.
Ikeda was hit and burned along with his tank and died in action (posthumously promoted to major general).
The heroic efforts of the Shumushu Island garrison dealt a devastating blow to the Soviet forces, The Soviet army abandons its invasion of Hokkaido.
The Japanese army suffered around 600 casualties, while the Soviet army suffered 3,000 casualties.