Representing Czechia, Peťko is active in the Age of Empires II scene. Age of Empires II records show 68 matches for Peťko. Peťko primarily plays on the ranked random map team ladder.

Peťko favors Tatars over other civilizations, selecting it in 17.6% of matches. A 53.8% win rate in the flank role over 26 games is Peťko's best. On the EW Team leaderboard, Peťko has a rating of 915.

In EW Team, Peťko wins 35.7% of their matches (14 total).