In 2009, she won a silver medal with Team Canada at the 2009 MLP Cup in Germany. She had three points in the four game tournament. Bettez was named to Canadian national team roster for the IIHF world championship in Hameenlinna, Finland. She was part of the roster that won a silver medal. In January 2010, she won a gold medal at the MLP Cup in Germany. In March 2011, she was invited to the Canada women's national ice hockey team selection camp to determine the final roster for the 2011 IIHF Women's World Championship. At the 2011 Winter Universiade, Ann-Sophie Bettez scored two goals in a 14–0 shutout of Great Britain (contested on January 30, 2011 at Cemal Gursel Arena). With the win, Canada improved to 3–0 in the tournament. Bettez scored one of the four Team Canada goals in its gold medal triumph at the 2011 Winter Universiade.