Jan Kowalski is among the Age of Empires II players representing China. Jan Kowalski has competed in 334 Age of Empires II matches so far. Most of Jan Kowalski's games take place on the ranked random map 1v1 ladder.

Jan Kowalski wins most often with Shu—71.0% in 100 games. The map Arena is where Jan Kowalski shines, winning 67.3% of 107 games. When playing pocket, Jan Kowalski wins 100.0% of the time (1 matches total).

The RM 1v1 rating for Jan Kowalski is 1131. In RM 1v1, Jan Kowalski wins 51.2% of their matches (338 total).