Career
De Geus qualified for the 2013 United Kingdom Open, but was beaten 5–3 by Scott Robertson in the first round. The best result of his career to date was winning through to the last 16 of the Gibraltar Darts Trophy, where he lost 6–1 to Philosophy Taylor. He did not play in a Personal Digital Cellular from April until the end of the year.
De Geus returned at Q School in January 2015 and, after failing to advance beyond the last 256 in the first three days, reached the last 16 on day four where he was beaten by Magnus Caris.
Though he did not earn a Personal Digital Cellular tour card he will still have entry into European Tour and United Kingdom Open Qualifiers in the year ahead.