 In the 2007 World Cup held in Shanghai, China, Miyama performed brilliantly in Japan's match against England, scoring the team's two goals both on direct free kicks, leading Japan to a draw.In Japan's first group stage match of the 2011 World Cup, she scored the go-ahead goal in Japan's win against New Zealand on a scorching 68th minute free kick, and was named Player of the Match.At the 2011 World Cup in Frankfurt, Germany, Miyama scored the winner – a curling free kick – to help Japan beat New Zealand, and netted Japan's first goal in the final against USA.