According to "Gyokuyo," a record of kyogata (the Kyoto side or supporters of the Imperial Court in Kyoto), Yukitsuna was the first to conquer a group of the mountain side in attacks from the mountain in the Battle of Ichinotani.
京方の記録である『玉葉』によれば一ノ谷の戦いにおいて、行綱は山方から攻め、真先に山手を陥落させたとある。