He participated in the Osaka no Eki with Ieyasu as the supreme commander, but in the battle of 1615, his Honjin (headquarters) was threatened by Harufusa Ono, a chief retainer of the Toyotomi family.
大坂の役にも家康とともに参戦して総大将となり、慶長20年（1615年）の戦で、豊臣家重臣・大野治房によって本陣を脅かされた。