Jacob Karlsen has officiated 129 matches on record, averaging 3.5 cards and 15.7 fouls per game — a balanced official. A player is dismissed roughly once every 6 games, and the spot is pointed to 0.29 times per match. Home teams win 53% of matches under him, drawing 16% and losing 32%. Most active in the Superliga (59 matches). 38% of his bookings come after the 75th minute, with the first card around the 40'. He cards more than 54% of Superliga 2025/2026 referees.