Career
He became the first darts player from Gibraltar to qualify for either version of the World Darts Championship. In the first round, he was whitewashed 3–0 by Vincent van der Voort. He currently plays for and Captains the College Cosmos team in the Gibraltar Darts Association league.
He is currently the Treasurer of the Gibraltar Darts Association.
Duo represented Gibraltar with Dyson Parody in the 2012 Personal Digital Cellular World Cup of Darts and together they were beaten 5–4 by Denmark in the first round, with Duo missing two darts for the match. Duo played in his third World Cup of Darts with Dyson Parody in February, but they finished bottom of Group East after losing 5–2 to Poland and 5–0 to the Netherlands.
In June he qualified for the Gibraltar Darts Trophy but was thrashed 6–0 by Gary Anderson in the first round. In the final of the Iberian qualifier for the 2014 World Championship, Duo was narrowly beaten 10–9 by Julio Barbero.
At the 2014 World Cup of Darts, Duo and Parody were beaten 5–2 by Sweden in the opening round.
In August 2015, Dylan Duo was disciplined by the Darts Regulation Authority for "Threatening behaviour and failure to mark" at the Gibraltar Qualifier for the Personal Digital Cellular World Cup. He was fined £350.
Personal Digital Cellular
2010: First round (lost to Vincent van der Voort 0–3).