Jozef Karlov is most active in the ranked random map 1v1 ladder. A 48.6% win rate with Slavs makes it Jozef Karlov's top civilization over 37 matches. Playing the flank role, Jozef Karlov achieves a 40.0% win rate over 10 matches.

A 962 rating in RM 1v1 puts Jozef Karlov from Slovakia on the map. With 49 matches and a 43.8% RM 1v1 record, Jozef Karlov prefers Slavs (75.5%).