Representing China, A Sir is active in the Age of Empires II scene. Across all ladders, A Sir has played 3012 matches. The ranked random map team ladder is where A Sir spends most of their time.

A Sir favors Huns over other civilizations, selecting it in 25.1% of matches. Playing as Goths, A Sir wins 58.0% of their games (81 matches played). Land Nomad has proven to be A Sir's strongest map—65.9% win rate in 41 games.

A 51.9% win rate in the flank role over 2021 games is A Sir's best. RM Team records show A Sir at a rating of 1262. After 148 RM 1v1 matches, A Sir sits at a 52.0% win rate.