Aged 18, Ronaldo made his first senior appearance for Portugal in a 1–0 win over Kazakhstan on 20 August 2003, coming on as a half-time subtitute for Luís Figo. He was subsequently called up for UEFA Euro 2004, held in his home country, and scored his first international goal in a 2–1 group stage loss to eventual champions Greece, his eighth appearance for Portugal. After converting his penalty in a shoot-out against England in the quarter-finals, he helped Portugal reach the final by scoring the opening goal in a 2–1 win over the Netherlands. He was featured in the team of the tournament, having provided two assists in addition to his two goals.