The Lebanon nation side qualified for their first ever World Cup in 2000 and El Masri captained the side. He played in all three of Lebanon's World Cup games. He played in his country's first ever World Cup Match against New Zealand, which they lost 64–0. He scored a try and kicked three goals in their 24–22 defeat by Wales. He scored two tries and kicked three goals in their 22–22 draw against the Cook Islands. At the end of the group stage, Lebanon finished on one point and did not advance to the knockout stage. At the end of the World Cup his stats were three tries and six goals for 24 points for Lebanon. His brother, Samer El Masri, also played for Lebanon. El Masri later played for the New South Wales representative side in 2001 and would go on to appear in the annual City vs Country Origin fixture on five occasions.