The Battle of Futamata (二股口の戦い, "Futamata-guchi notatakai") was fought in the Oshima Province on April 13 - April 29, 1869 and was one of the battles during the Battle of Hakodate. The remnant of the Bakufu Army set up a defense around and used variety of weapons (katanas, , and ) against Japanese forces who are marching to the two-pronged entrance leading to Hakodate, and blocked the advance of the new government army for two weeks. 