The first siege of Odawara took place in 1569. After failing to take Hachigata

Siege of Hachigata (1568)

The first siege of Hachigata took place in 1568; Takeda Shingen laid siege to the castle, which was controlled by Hōjō Ujikuni, but was unable to capture it. Shingen then moved south to besiege Takiyama castle, on his way to the Hōjō capital of Odawara....

 and Takiyama castles, Takeda Shingen

Takeda Shingen

, of Kai Province, was a preeminent daimyo in feudal Japan with exceptional military prestige in the late stage of the Sengoku period.-Name:Shingen was called "Tarō" or "Katsuchiyo" during his childhood...

 nevertheless moved against the Hōjō clan

Late Hojo clan

The ' was one of the most powerful warrior clans in Japan in the Sengoku period and held domains primarily in the Kantō region.The clan is traditionally reckoned to be started by Ise Shinkurō, who came from a branch of the prestigious Ise clan, a family in the direct employment of the Ashikaga...

capital fortress of Odawara. The siege lasted only three days, after which the Takeda forces burned the town to the ground and left. Odawara castle itself did not fall and was still held by the Hojo.