Okinaga let Musashi stay in his residence and told Tadaoki of Musashi's request in a meeting of Karo (chief retainers), then they set the fight at Muko-jima Island (Funa-shima Island).
興長は武蔵を屋敷に留め、御家老中寄合で忠興公に伝わり、向島（舟島）で勝負をすることになった。