| Battle of Ozawahara | |||||||
|---|---|---|---|---|---|---|---|
| Part of the Sengoku period | |||||||
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| Belligerents | |||||||
| forces of the Hōjō clan | forces of the Uesugi clan | ||||||
| Commanders and leaders | |||||||
| Hōjō Ujiyasu | Uesugi Tomooki | ||||||
The 1530 battle of Ozawahara (小沢原の戦い) was the first battle for Hōjō Ujiyasu, then fifteen years old. He faced Uesugi Tomooki. The battle was part of a seventeen-year struggle, which began with the 1524 siege of Edo, between the Hōjō clan and the Uesugi for control of the Kantō region.