Kostebek has competed in 299 Age of Empires II matches so far. The RM 1v1 stats show Kostebek with a 48.7% win rate in 275 matches. Kostebek from Argentina primarily plays ranked random map 1v1 and most often picks Japanese (59.2%).

With a 841 RM 1v1 rating, Kostebek's best results come from Japanese (49.1%) and Arabia (51.6%).