In August 2002, Kinga was selected by the Japan U-20 national team for the 2002 FIFA U-19 Women's World Championship. On March 29, 2005, she debuted for the Japan national team against Australia. She was playing as attacking midfielder and right-winger. From 2007, she was converted to right-back by manager Hiroshi Ohashi and she became a regular player. Japan won the 2011 World Cup in which Kinga played in the final, came second in the 2015 World Cup and gained a silver medal in the 2012 Summer Olympics. She played 100 games and scored 5 goals for Japan until 2016.