Career
Dekker qualified for the televised stages of the 2010 Winmau World Masters. He also qualified for the 2011 BDO International World Darts Championship. He defeated 15th seed Scott Mitchell 3-0 in the first round, and 2nd seed Stuart Kellett 4-1 in the second round.
He faced Dean Winstanley in the semi-final and lost 6-2.
The following year, Dekker was seeded seventh and this time reached the quarter-finals, surviving a match dart in the first round against Jeffrey de Graaf, then edging Thompson once more in the second round this time 4-3 having trailed 3-2. In the quarters, Dekker led Richie George 3-1 but eventually lost 5-4.
In 2014, Dekker was seeded sixth and faced a fellow Dutch player in the first round for the third year in a row, this time defeating Benito van de Pas 3-0. In the semi-finals Dekker led Alan Norris 4-2 and had two darts to take a 5-4 lead, but eventually lost 6-5.
At the 2015 event, Dekker was knocked out in the first round, losing 3-1 to Martin Adams.
Personal Digital Cellular
2016: First round (lost to Adrian Lewis 0–3)
BDO International
2011: Semi-finals (lost to Dean Winstanley 2–6)
2012: First round (lost to Christian Kist 2–3)
2013: Quarter-finals (lost to Richie George 4–5)
2014: Semi-finals (lost to Alan Norris 5–6)
2015: First round (lost to Martin Adams 1–3)
Outside of darts, January Dekker is a student in the Netherlands, studying business and economics, he graduated in 2012.
