Most of Koslow's games take place on the ranked random map 1v1 ladder. Koslow has the highest win rate in the flank position: 50.5% over 287 games. With 979 games played in RM Team, Koslow has won 50.8%.

Based in Switzerland, Koslow has accumulated 5537 matches. Koslow has reached 1321 in RM 1v1. They win 69.4% with Slavs and 63.6% on Fortified Clearing.