On March 20, 1601, Masamune who saw the situation of the Uesugi family informed in the letter to Masakage DATE that the Uesugi family leaning toward making peace with Ieyasu, was only prepared to hold the castle, but not in a situation to send the troops to Sendo-guchi Gate since he lost the will to fight.
慶長6年3月20日、上杉家の様子を探っていた政宗は伊達政景宛への書状で、家康との講和に傾いた上杉家が戦意を失い、籠城の用意のみで仙道口へ兵を出す状況にはない旨を知らせた。