Van der Voort is well known for his spasmodic style and machine-gun speed of play which has gained him a reputation in both the BDO and the PDC for being one of the more erratic throwers in the darting world.

His best results in British Darts Organisation events were winning the Danish Open in 2002 and 2006 and reaching the quarter-finals of the BDO World Championship at Frimley Green in 2005, defeating 2004 champion Andy Fordham in the process.

At the 2009 Grand Slam of Darts, Van der Voort suffered a defeat to Anastasia Dobromyslova in the group stages, becoming only the second man in history to lose a televised match to a woman.

On 30 December 2010, Van der Voort's biggest win occurred in the round of 16 of the 2011 PDC World Darts Championship where he eliminated the 2010 runner-up and number four seed Simon Whitlock 4–2.

[3] He then represented the Netherlands in the 2012 PDC World Cup of Darts to try to defend the title won by Raymond van Barneveld and Co Stompé in 2010.

[4] Van der Voort lost 7–9 in the last 32 of the UK Open to Kim Huybrechts,[5] and at the World Matchplay he was defeated by Ian White 5–10 in the first round.

Doctors advised him to miss the rest of 2012, however Van der Voort defied them to beat William O'Connor in the first round of the World Grand Prix in October.

[8] After all 33 ProTour events of 2012 had been played, Van der Voort was 24th on the Order of Merit, inside the top 32 who qualified for the Players Championship Finals.

[12] He lost 5–3 in the first round of the UK Open to Kirk Shepherd and finished bottom of Group D at the Grand Slam of Darts having won one of his three games.

[15] 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.

[16] 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.

[21] 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.

Van der Voort took out a crucial 157 finish in the deciding set of his first round match at the 2015 World Championship, with his opponent John Henderson waiting on 80 to eliminate him.

Van der Voort then won two 14 dart legs to beat him 3–2, before whitewashing teenager Max Hopp 4–0 and seeing off Dean Winstanley 4–2.

[28] He led Mensur Suljović 1–0, but missed 11 darts to win the next set which changed the whole match as he then lost nine consecutive legs to be knocked out 3–1.

[34] He had a high quality match with Phil Taylor in the fifth round of the UK Open as both players averaged over 100, but Van der Voort lost 9–7.

[37] Van der Voort was beaten 3–1 by Max Hopp in the first round of the World Championship, and then suggested he might retire from darts due to a back injury that has been plaguing his performances in recent years.