Kostek tends to queue for ranked random map team matches. The map Arabia suits Kostek well: 54.3% win rate over 188 games. The stats show Kostek at their best in the flank role—36.8% win rate in 19 matches.

With 295 matches played, Kostek has built up to a 829 RM Team rating. Hailing from Poland, Kostek wins 50.2% in RM Team. Poles is their top civ at 55.7%.