 He then arranged negotiations for Hideyoshi with the Ikkō sect which had fervently opposed Nobunaga; the head priest of Renshō-ji was Hidemasa's cousin Hori Rokuemon, and so the negotiations went quite smoothly.Hidemasa led portions of Hideyoshi's forces once again, in the 1584 Battle of Komaki and Nagakute, in which they suffered a crushing defeat at the hands of the Tokugawa army.Ambushed by Ōsuga Yasutaka and Sakakibara Yasumasa, they successfully held off their attackers for a time, but upon meeting the main Tokugawa force of 9000, were forced to retreat.