Matsuda represented Japan at Under-20 level from 2012 through to 2014, making 7 appearances in total at the World Rugby Under 20 Championships.[5] He made his senior international debut as a replacement in a match against Canada in Vancouver on 11 June 2016. He went on to make two more appearances in the home tests against Scotland during the 2016 mid-year rugby union internationals series, coming on as a substitute in the first test in Toyota and then starting in the second in Tokyo.[1]