BDO
In 2012, De Graaf began playing the international circuit and won the 2012 Isle of Man Open and 2012 Romanian Open. He also reached the quarter-finals of the Zuiderduin Masters.
De Graaf managed to qualify for the 2013 BDO World Championship, where he faced compatriot Jan Dekker in the first round. He missed one match dart in the final set, and Dekker ultimately won by three sets to two. De Graaf won in the course of the year the Denmark Open and Swedish Open. [2] De Graaf qualified for the 2014 World Championship, where he lost 3–0 to Martin Atkins in the first round. De Graaf also played in the 2014 BDO World Trophy. After winning in the first two rounds, he lost in the quarter-finals to James Wilson. Later in the year De Graaf again won two titles, the Denmark Masters and the Finnish Open.
In his third Lakeside appearance, De Graaf was eliminated in the first round again, this time 3–0 by Brian Dawson. He reached the final of the BDO World Trophy in February, in which he played against Geert De Vos. De Graaf missed one match dart for the title and ultimately lost 10–9. In the rest of the year De Graaf won three titles, the German Open, the Denmark Masters and the Belgium Open. [3]
At his fourth attempt at the Lakeside De Graaf was knocked out again in the first round, losing 3–2 against Richard Veenstra. A few days later, De Graaf announced his move from the BDO to the PDC. [4]
PDC
In 2016 De Graaf entered Q-School attempting to get a tour card for the 2016 PDC Pro Tour. He won a card on Day 3. [5] This meant De Graaf qualified for the UK Open, where he started in the second round. [6] He defeated William O'Connor 6–5 on the main stage. A round later, he lost 9–8 against Rob Cross after leading 8–5. [7] In late March, De Graaf also made his debut on the European Tour at the German Darts Masters. After beating Darren Johnson 6–4 in the first round, he was defeated by Michael Smith 6–5 in the second round. [8] A consistent debut year in the PDC saw him qualify for the Players Championship Finals and he overcame Steve Beaton 6–4, before being eliminated 6–1 by Robbie Green in the second round, despite averaging 101.22. [9] De Graaf won a place in the 2017 World Championship through the European Order of Merit and he lost 3–1 to Jelle Klaasen in the first round. [10]
He lost his PDC Tour Card at the end of 2018 following a 3–2 defeat to Noel Malicdem in the first round of the 2019 PDC World Darts Championship. In 2023, he started to represent Sweden instead of Netherlands, and made his debut at PDC Nordic and Baltic Tour.
De Graaf qualified for the 2024 PDC World Darts Championship through PDC Nordic and Baltic Tour, making his first appearance since 2019. In the first round he came back from two sets down against Ritchie Edhouse, winning 3–2. In the second round he defeated José de Sousa 3–1 and advanced into the third round, where he lost to Rob Cross 4–2. [11] [12] [13] De Graaf earned a Tour card via European Q-School in 2024, making a return to the PDC Pro Tour for the first time since 2018. [14] [15] He reached a first PDC ranking final at Players Championship 10 in May 2024. De Graaf was defeated in the final by Brendan Dolan 8–4 in legs. [16]
De Graaf qualified for the 2025 PDC World Darts Championship via both the PDC Pro Tour Order of Merit, and the PDC Nordic and Baltic Tour, but was drawn as a Pro Tour qualifier. [17] He defeated Rashad Sweeting 3–1 in the first round. [18] Afterwards, he achieved a shock 3–0 win over Gary Anderson, who was one of the favorites to win the tournament. [19] Facing off against Paolo Nebrida in the third round, De Graaf was able to win 4–1 to reach the fourth round for the first time in his career. He was beaten 4–2 by Michael van Gerwen, after coming back from two sets down against him. [20] By reaching the fourth round in the World Championship, De Graaf made it into the top 64 on the PDC Order of Merit in the first year of his tour card. [21]
After losing to Martin Schindler in the final of Players Championship 8 on the 2025 PDC Pro Tour, [22] De Graaf won his first PDC ranking title at Players Championship 24, defeating Stephen Bunting 8–7 in the final. He became the first Swedish player to win a PDC ranking title. [23]
(30 July 2025) [1] 
