Takanishi Hayato entered sumo under his birth name but adopted the ring name Daishoei for his first competitive tournament. He won the jonokuchi division with a 7–0 record in March 2012 and a 6–1 record in jonidan in May saw him promoted to sandanme where he recorded four wins in July. He then modified his ring name slightly and became Daieishō. After winning records in the next two tournaments he was promoted to makushita but struggled in higher division and was relegated back to sandanme. A perfect 7–0 in May 2013 saw him take the divisional championship and secure a return to makushita. After three consecutive winning records (kachi-koshi) Daieishō was promoted to the second highest jūryō division for the July 2014 tournament, the 14th former student of Saitama Sakae's coach Michinori Yamada to reach the rank. After performing consistently in jūryō for a year he earned promotion to the top division (makuuchi) with a 9–6 record in July 2015.
