As a player from Uruguay, Kowalski participates in Age of Empires II. Over time, Kowalski has accumulated 8 matches in Age of Empires II. Kowalski tends to queue for unranked matches.

Kowalski sticks to unranked or casual play, having never entered ranked. Kowalski has a clear affinity for Teutons, choosing it in 37.5% of their games. Kowalski has the highest win rate in the pocket position: 100.0% over 1 games.