Marta Huerta de Aza has officiated 107 matches on record, averaging 3.5 cards and 15.9 fouls per game — a balanced official. A player is dismissed roughly once every 4 games, and the spot is pointed to 0.23 times per match. Home teams win 45% of matches under him, drawing 21% and losing 35%. Most active in the Primera Division Women (43 matches). 35% of his bookings come after the 75th minute, with the first card around the 35'.