Ingmar Oostrom has officiated 245 matches on record, averaging 2.6 cards and 12.2 fouls per game โ a lenient official. A player is dismissed roughly once every 8 games, and the spot is pointed to 0.21 times per match. Home teams win 44% of matches under him, drawing 20% and losing 36%. Most active in the Eerste Divisie (175 matches). 35% of his bookings come after the 75th minute, with the first card around the 40'. He cards more than 13% of Eerste Divisie 2025/2026 referees.