De Graaf won in three straight sets against Gary "The flying scotsman" Anderson in the Dart World Championship's second round on Sunday evening.
I got very nervous after the first set and when I led 2–0 I thought: "what's happening?", says de Graaf after the upset.
It's the first time that the multiple World Champion Gary Anderson, 53, loses his opening match in the World Championship.
He was seen as one of the top contenders to the big favourites Luke Humpshires and Luke Littler, but is now eliminated after the Swede's super upset.
Jeffrey de Graaf, born in the Netherlands, lives in Stockholm and represents Sweden in the World Championship.
For the 34-year-old, Filipino Paolo Nebrida awaits in the third round after Christmas.
