Koray Gençerler has officiated 166 matches on record, averaging 2.1 cards and 14.1 fouls per game — a lenient official. A player is dismissed roughly once every 6 games, and the spot is pointed to 0.12 times per match. Home teams win 43% of matches under him, drawing 27% and losing 30%. Most active in the 1. Lig (98 matches). 35% of his bookings come after the 75th minute, with the first card around the 34'.