At the international level, he represents San Marino Calcio U19. He plays primarily as a Midfield. His current market value is estimated at 10K €.

His most recent move was a from San Marino Academy U22 to Monte Grimano Terme on 2026-01-08.

Across 4 appearances in the San Marino Campionato di Calcio 2025-2026, Nicola D'Addario registered 0 goals and 0 assists, while completing 0 key passes out of 0 total passes with a passing accuracy of -.