He was involved in a high quality match against Adrian Lewis in the second round of the 2014 World Championship as van der Voort averaged 99.47, but lost 4–1. He missed match darts in three successive legs against compatriot Christian Kist in the fourth round of the UK Open to be eliminated 9–8. In June, van der Voort won the Austrian Darts Open by beating Jamie Caven 6–5. He was 5–2 down in the final, but took two successive legs and then levelled the match by taking out a 136 finish with Caven waiting on 80. In the deciding leg he was first to a finish, and he took out 83 on double 8 with a pressure last dart with Caven waiting on 56. It was van der Voort's first title in three years. He lost in the first round of the World Matchplay and World Grand Prix 10–4 to Raymond van Barneveld and 2–0 (sets) to Michael van Gerwen respectively. Van der Voort recorded a 6–4 win against Simon Whitlock at the European Championship, before Van Barneveld knocked him out 10–7. He averaged 104.86 in whitewashing Andy Hamilton 6–0 in the opening round of the Players Championship Finals and then eliminated Peter Wright 10–5 and Dean Winstanley 10–8, after recovering from a 3–0 deficit, to reach his first major semi-final since 2008. He fell 10–3 down to Gary Anderson and, despite a rally to win four successive legs, was beaten 11–7. In the first round of the World Championship 2015 he beat the Scottish player John Henderson.