Representing Japan, tettsu- is active in the Age of Empires II scene. tettsu- has participated in 1267 matches across different game modes. tettsu- dedicates most of their playtime to unranked.

The competitive ranked ladder remains unexplored by tettsu-. The map Black Forest is where tettsu- shines, winning 99.0% of 690 games. tettsu- performs best in the pocket position, with a 100.0% win rate over 39 matches.