[7] Despite not having a PDC Tour Card, Doets qualified for the 2021 Players Championship Finals, where he lost in the first round to Michael van Gerwen.

At the 2025 PDC World Darts Championship, Doets defeated Dutch compatriot Noa-Lynn van Leuven 3–1 in the first round.

[18] This win set up a second-round tie with Michael Smith, a rematch of their meeting the previous year.

With the pair level at 2–2, Doets and Smith entered a deciding set tiebreaker where the match had to be won by two clear legs.

Doets eventually won the final set 6–4 in legs in a major upset, eliminating the second seed and former World Champion.

[23] Doets qualified for the World Masters after wins over Andy Boulton, Radek Szagański and Dylan Slevin in the preliminary rounds.