International Stadium Yokohama
Philippe Troussier called him up for Japan national team. Nakazawa played in Olympic qualifiers as well as the finals in Sydney. Troussier promoted him to a full international. His first international appearance came on 8 September 1999 in a friendly against Iran at the International Stadium Yokohama. He scored his first goal on 13 February 2000 in an Asian Cup qualifier against Singapore in Macau.