After Enomoto's mother sent a highlight reel to the national team assistant coaches, he was invited to a tryout where he made the cut. Enomoto first represented Japan at the 2017 FIBA Under-19 Basketball World Cup, where he averaged 3.7 points, 2.9 rebounds and 1.1 assists per game. His tournament highlights included a 12-point and 8-rebound outing in a loss to Italy.