*Club domestic league appearances and goals, correct as of 00:00, 28 September 2023 (UTC) ‡ National team caps and goals, correct as of 7 January 2024 (UTC)
Assadalla was born in Bahrain, but was raised and naturalized as Qatari. Assaddi was called up the Qatar B team on 13 November 2013.[4] He made official debut for the team on 25 December in the 2014 WAFF Championship in a 1–0 win against Palestine.[5] He played in all of Qatar's matches in the tournament, scoring a goal against Kuwait during extra time in the semi-final. He formed a prolific partnership with Boualem Khoukhi, who won the top scorer award, throughout the tournament.[6] This culminated in his team defeating Jordan in the finals and claiming its maiden WAFF title, in addition to Asad being declared 'Best Player of the Tournament'.[7]