Ba Dun started his professional football career in 2014 when he was promoted to Chinese Super League side Beijing Guoan's first team squad.
[3] On 18 June 2017, he made his Super League debut in a 2–0 home win over Tianjin TEDA, assisting Renato Augusto's goal in the 60th minute.
[3] On 24 April 2019, Ba scored his first AFC Champions League goal in a 2-0 home win against Buriram United in the group stage.
In April 2021, Ba joined fellow Chinese Super League club Tianjin Jinmen Tiger on loan for the 2021 season.
He made his debut for Tianjin on 22 April 2021 in a 6-1 defeat against Shanghai Port, and scored his first goal for the club on 6 August 2021 in a 1-1 draw against Wuhan.