He was put in charge of guarding Uji-ji Highway at the very young age of 17 and made a great achievement by arresting MINAMOTO no Chikaharu, who was about to join the forces of Emperor Sutoku, near Hossho-ji Temple at Higashiyama, Kyoto.
弱冠17歳ながら宇治路の警護に当たり、東山(京都府)法性寺の辺りで崇徳天皇方に参陣途上の源親治を捕らえるという大功を立てた。