Jóhann Gunnar Guðmundsson has officiated 10 matches on record, averaging 2.0 cards and 0.0 fouls per game — a lenient official. A player is dismissed roughly once every 5 games, and the spot is pointed to 0.30 times per match. Home teams win 40% of matches under him, drawing 40% and losing 20%. Most active in the Inkasso-Deildin (9 matches). 37% of his bookings come after the 75th minute.