In 2012, he qualified for the European Championship through the European Order of Merit, and beat Mensur Suljović 6–2 in the first round. He played fifteen-time world championPhil Taylor in the second round and in an even contest, Hendriks was edged out 7–10, stating afterwards that his goal for the remainder of the season was to qualify for the World Championshipfor the first time. He achieved this by finishing eighth on the European Order of Merit, taking the fourth and final spot that was available for non-qualified players. Hendriks beat Wayne Jones 3–0 in the first round, winning each of his sets by three legs to two and clinched the match with a 156 checkout. He faced Taylor again in the second round and won the first set, but went on to lose 1–4. Hendriks was ranked world number 58 after the event, inside the top 64 who guarantee their entry into all the PDC Pro Tour events for 2013. He had a poor run of form in the 2013 UK Open qualifiers as he played in all eight but only won two matches to not even feature in the UK Open Order of Merit as he failed to earn any money. Hendriks qualified for three European Tour events during the year but lost in the first round on each occasion. He held on to his place on the tour by being ranked 57th after the conclusion of the 2014 World Championship. Hendriks qualified for the 2014 German Darts Masters and lost 6–4 to Magnus Caris in the first round. The £1,000 he earned was the only money he won during the whole year and, as he lost the £10,000 from the 2013 World Championship in the rankings, he fell 86 places during the year to world number 143. Hendriks was unable to earn a tour card through Q School, but he still had entry into European Tour and UK Open qualifiers in 2015. His standout result during the year was a 6–3 win over Wes Newton in the first round of the Dutch Darts Masters, before losing 6–3 to Terry Jenkins in the subsequent round. A poor 2016 saw his best performances being a last 64 exit in a UK Open Qualifier and a last 32 exit in a Challenge Tour event. He also played in the BDO's German Open, but was knocked out in the last 32. Hendriks claimed a spot in the 2017 World Championship by seeing off Jan Dekker 6–4 in the final of the Central European Qualifier and defeated Warren Parry 2–0 in the preliminary round. In the first round he could only win two legs against Peter Wright, one of which came via a 156 checkout, as he lost 3–0. He attempted to win a tour card at Q School, but failed to progress past the last 64 during the four days of play.
