Based in Czechia, OnaSiS competes in Age of Empires II. OnaSiS has competed in 2014 Age of Empires II matches so far. The ranked random map team ladder is where OnaSiS spends most of their time.

When picking Franks, OnaSiS achieves a 52.8% win rate over 725 games. African Clearing is OnaSiS's best map with a 55.3% win rate in 38 games. The stats show OnaSiS at their best in the pocket role—55.6% win rate in 225 matches.

RM Team records show OnaSiS at a rating of 1080. Across 529 RM 1v1 games, OnaSiS holds a 49.5% win rate.