The Eastern Camp, the Tokugawa side, split up and advanced along Tokai-do Road and Nakasen-do Road, while Masayuki and Shigenobu remained secluded in their stronghold, Ueda-jo Castle, to fight against Hidetada TOKUGAWA's army, which belonged to the Eastern Camp and advanced along Nakasen-do Road at Ueda-jo Castle (the second battle of Ueda).
徳川方の東軍は東海道と中山道を分かれて進軍し、昌幸と信繁は居城上田城に籠り、中山道を進んできた東軍の徳川秀忠軍と上田城にて迎え撃った（第二次上田合戦）。