Hall made Canada's national junior team roster for the 2010 World Junior Championships in Saskatchewan. He was the lone 2010 NHL Entry Draft-eligible player selected to the final roster. Hall scored a hat-trick against Slovakia in a game Canada won 8–2. Hall finished the tournament tied for third overall in scoring with teammate Alex Pietrangelo and the United States' Jerry D'Amigo; Hall finished with six goals and six assists in six games.