Kostek tends to queue for ranked random map team matches. The map Arabia suits Kostek well: 53.5% win rate over 185 games. The stats show Kostek at their best in the flank role—36.8% win rate in 19 matches.

With 291 matches played, Kostek has built up to a 803 RM Team rating. Hailing from Poland, Kostek wins 49.8% in RM Team. Poles is their top civ at 55.7%.