It is told that Kenshin battled as many as about 70 times throughout his lifetime, and was defeated only twice, and it is also believed that in terms of open battle, he was defeated only once at the Battle of Ikunoyama with Ujiyasu HOJO ("Kenshinko Gonenpu" (Chronological Record of Kenshin)).
その生涯で約70回もの合戦を行い、敗北は僅か2回と伝えられ、野戦に限れば北条氏康との生野山合戦の1回のみとされる（『謙信公御年譜』）。