At this time, the main force of Ieyasu and the advance party of daimyo who were assisted by Toyotomi proceeded on Tokai-do Road, but 38,000 troops led by Hidetada TOKUGAWA went west on the Nakasen-do Road.
この時、家康の本隊や豊臣恩顧大名などの先発隊は東海道を進んだが、徳川秀忠率いる3万8000人の軍勢は中山道を進んで西に向かった。