A former amateur wrestler at Chuo University, he made his professional debut in January 2017, reaching the top makuuchi division in July 2021.

Ichiyamamoto and his stable were forced to withdraw on Day 9 of the July 2022 tournament in Nagoya after stablemaster Hanaregoma tested positive for COVID-19.

[6] Ichiyamamato stood at six wins and two losses at the time, and his ranking for the September tournament was once again east maegashira 13 (although he was two spots closer to jūryō because of the increased size of sanyaku).

[7] Ichiyamamoto dropped to jūryō for the July 2023 tournament, where he withdrew with left knee issues after suffering four defeats in his first four matches.

[11] During the November 2023 tournament, Ichiyamamoto recorded his best performance in the makuuchi division with a sixth straight victory since the start of the competition.

[18] Sanshō key: F=Fighting spirit; O=Outstanding performance; T=Technique     Also shown: ★=Kinboshi; P=Playoff(s) Divisions: Makuuchi — Jūryō — Makushita — Sandanme — Jonidan — Jonokuchi Terunofuji (retired) Kotozakura Hōshōryū Ōnosato Wakamotoharu Daieishō Abi Wakatakakage Takanoshō Kirishima Tobizaru Atamifuji Gōnoyama Ōhō Shōdai Ura Hiradoumi Chiyoshōma Takayasu Ichiyamamoto Endō Mitakeumi Rōga Takarafuji Churanoumi Ōshōma Tamawashi Meisei Midorifuji Takerufuji Nishikigi Ōnokatsu Shōnannoumi Kotoshōhō Hokutofuji Kinbōzan Hakuōhō Kitanowaka Tamashōhō Kagayaki Nishikifuji Tokihayate