Siewniczek focuses mainly on ranked random map team matches. Playing on Oasis, Siewniczek achieves their best results—67.4% wins over 43 matches. As pocket, Siewniczek has won 61.7% of their 47 matches.

With 786 matches played, Siewniczek has built up to a 1331 RM Team rating. A Polish player, Siewniczek has a 52.3% RM Team win rate and favors Spanish (60.8%).