sentences:  After being called up by Wales under-17, Williams made his one and only appearance for the Wales under-17 side on 8 November 2003, as a substitute to replace Wayne Hennessey during a 4–0 win over Azerbaijan in a UEFA European Under-17 Championship qualifying match.After a handful of appearances for the under-19 side, Williams moved up to the Wales under-21 side, making his debut in a 4–0 friendly win against Northern Ireland.He took over as the team's number one goalkeeper and missed just one match in the qualifying round of the 2009 UEFA European Under-21 Championship as they finished top of their group before being beaten by England in the play-off.