[2] Uno played football at the Aomori Yamada Junior High School, citing teammate Kuryu Matsuki as a rival, but also an inspiration to push himself harder.
[3] In November 2021, it was announced that Uno would join J2 League side Machida Zelvia for the 2022 season.
[4] In April 2022, Uno made his professional debut in a 1–1 league draw with JEF United Chiba, appearing as a second-half substitute for Takuya Yasui.
[8] His comeback game was a 4–1 win in the Emperor's Cup second round against Yokohama F. Marinos.
[9] His goalscoring, alongside his tough tackling and distribution, earned him the J2 Monthly MVP award for October.