Jan Kowalski is among the Age of Empires II players representing China. Jan Kowalski has competed in 22 Age of Empires II matches so far. Most of Jan Kowalski's games take place on the ranked random map 1v1 ladder.

A 72.7% pick rate makes Tupi the top civilization choice for Jan Kowalski. In the pocket position, Jan Kowalski has a 100.0% win rate across 1 games. RM 1v1 records show Jan Kowalski at a rating of 963.

The RM 1v1 stats show Jan Kowalski with a 44.4% win rate in 18 matches.