Amirul Izwan Yaacob started the professional refereeing in 2011 and was awarded his FIFA badge in 2012. He refereed some matches in
AFC Champions League and
AFC Cup. In 2015, he was selected for the
U-17 World Cup in Chile. In the end of season 2019, he was invited to be referee 2 matches in
2019 V.League 1 in the two last round. ==AFC Asian Cup==