Coming from Germany, J4si is known in Age of Empires II. J4si brings the experience of 341 played matches to each game. ranked random map team is the primary game mode for J4si.

A 18.3% pick rate makes Persians the top civilization choice for J4si. J4si wins most often with Persians—72.4% in 58 games. A 60.0% win rate on Nomad makes it J4si's top map (85 matches).

As pocket, J4si has won 52.6% of their 78 matches. In RM Team, J4si currently holds a rating of 1293. J4si wins 57.5% of the time in RM Team after 193 matches.