[3] As a third-grade elementary school student, he won the lower division (Grades 1 to 3) of the 11th All Japan Elementary School Student Kurashiki Ōshō Tournament [ja] (August 2012).
[4] As a sixth-grade elementary school student, he finished tied for third place in the 40th Elementary School Student Meijin Tournament [ja] (April 2015)[5] and was runner up in the 4th J:Com Cup All Japan Kids Tournament (August 2015).
[6] The following month, Ueno was accepted into the Japan Shogi Association's (JSA) apprentice school under the sponsorship of Inoue at the rank of 6-kyū.
[7][8] In October 2023, Ueno defeated Nagisa Fujimoto 2 games to 1 to win 54th Shinjin-Ō [ja] tournament.
[9] In October 2024, Ueno defeated Reo Okabe 2 games to none to win the 14th Kakogawa Seiryū [ja] tournament.