Glasgow 2014 will be the first Commonwealth Games for Matthew, who will be competing in the 200m and 400m freestyle, and in the 4 x 100m and 4 x 200m freestyle relay. Matthew has represented New Zealand at the 2009 Australian Youth Olympic Festival where he placed 4th, as well as at the 2010 Youth Olympic Games in Singapore and the 2012 London Olympic Games. Matthew also competed at the 2011 26th World University Games in Shenzhen, where he placed 3rd in the 4 x 100m medley relay.