After that, since the ninth generation head of the Omotesenke, Ryoryosai (an older brother of Kokosai Soya) passed away, Tatsuzo succeeded him as the tenth generation head of the Omotesenke school.
その後表千家9代了々斎（皓々斎宗也の兄）が没したため、達蔵が表千家10代を継承した。