Ji-eum Jo has officiated 33 matches on record, averaging 2.6 cards and 18.8 fouls per game โ a lenient official. A player is dismissed roughly once every 3 games, and the spot is pointed to 0.24 times per match. Home teams win 48% of matches under him, drawing 24% and losing 27%. Most active in the K League 2 (28 matches). 33% of his bookings come after the 75th minute, with the first card around the 34'. He cards more than 6% of K League 2 2026 referees.