Across all ladders, Kaerntnerbua has played 341 matches. Kaerntnerbua holds a 45.3% win rate with Britons and 44.2% on Arena. Kaerntnerbua has never tried ranked but wins 45.8% of the time as pocket.

A German player, Kaerntnerbua is active in unranked with a 81.5% pick rate for Britons.