Shijirbayar spent his childhood in Ulaanbaatar and was a good student, but was sent to Japan to study after his fourth grade year, with his mother wishing for him to get a better education.

His shikona of Daishōhō was derived from his stablemaster, with the hō kanji coming from yokozuna Taihō and Hakuhō.

[3] He made steady progress until he reached the makushita remaining there for 16 basho before gaining sekitori status by being promoted to the jūryō division after the September 2016 tournament.

[3] He told reporters when his promotion was announced that he looked up to yokozuna Kakuryū as a role model, and that he simply hoped to get a kachi-koshi or winning record in his jūryō debut.

[3] He secured another 8–7 record in January, and won promotion to the top makuuchi division for the first time at the rank of maegashira 16.

He became the 25th Mongolian to be promoted to makuuchi, and alongside Tomokaze and Terutsuyoshi it marked the first time since May 2013 that three wrestlers had made their top division debuts simultaneously.