Karel Roucek has officiated 108 matches on record, averaging 4.2 cards and 18.6 fouls per game — a firm official. A player is dismissed roughly once every 6 games, and the spot is pointed to 0.21 times per match. Home teams win 36% of matches under him, drawing 27% and losing 37%. Most active in the Chance Liga (78 matches). 39% of his bookings come after the 75th minute, with the first card around the 37'. He cards more than 77% of Chance Liga 2025/2026 referees.