Panchia was part of the New Zealand U21 squad that took part in the 2013 Men's Hockey Junior World Cup in New Delhi. He made his senior team debut the same year and was the youngest member of the national squad at the 2014 Men's Hockey World Cup in The Hague. Panchia was part of two Oceania Cup silver-medal winning teams: 2013 in Stratford and 2017 in Sydney.