Representing Serbia, Onaj is active in the Age of Empires II scene. Onaj has logged 18 matches in the game. The majority of Onaj's matches are in the ranked random map 1v1 mode.

Bulgarians stands out as Onaj's preferred civ with a 44.4% selection rate. With a rating of 872 in RM 1v1, Onaj has established their level. Across 14 RM 1v1 games, Onaj holds a 35.7% win rate.