AZ Alkmaar stunned the Eredivisie leaders Ajax at their home to make the tournament title race wide open with a 2-0 victory at defending champions Ajax. Being a table topper and having won this fixture 5-0 last season, Ajax began the day as favourites. But just four minutes in, Myron Boadu scored to give AZ a 1-0 lead and Oussama Idrissi scored number two in 75th minute to seal a stunning 2-0 win. With ten games to go, only Ajax's superior goal difference keeps them in first place. Both AZ and Ajax have 53 points from 24 matches.