Sang-Yong Lee has officiated 37 matches on record, averaging 0.0 cards and 0.0 fouls per game โ a lenient official. Home teams win 49% of matches under him, drawing 16% and losing 35%. Most active in the K League 1 (37 matches). 17% of his bookings come after the 75th minute, with the first card around the 23'.