Representing Czechia, Ondras is active in the Age of Empires II scene. The match count for Ondras in Age of Empires II stands at 228. Ondras has yet to try ranked play in Age of Empires II.

Ondras wins most often with Teutons—48.6% in 35 games. Ondras wins 44.3% of their matches on Arena (115 played). Ondras's best position is pocket with 51.8% wins in 56 games.