 He said that his ambition for the remainder of his career was to earn another "kachi-koshi" or winning score in the top division, something which he only achieved once, in his "makuuchi" debut in 2005.However May 2016 turned out to be his final tournament at "sekitori" level.Tamaasuka retired after the September 2016 tournament, after a record of 4-3 at "makushita" 9.