Huybrechts was punished in the run-up to the tournament after complaints from Dimitri Van den Bergh and Mike De Decker. A video subsequently emerged of him punching De Decker in a parking lot, one of the facts that led to the complaint.
Mike De Decker qualified for the next round after a 10-6 win against Richard Veenstra. De Decker had earlier eliminated Wessel Nijman 6-3.
Dimitri Van den Bergh also won in his match against Northern Irishman Brendan Dolan with 8-10.
In the fifth round, De Decker will face Ricky Evans and Dimitri Van den Bergh will face Vincent Van der Voort.
Fourth round – all results
Josh Payne – Andrew Gilding 7-10
Michael van Gerwen-Mensur Suljovic 7-10
James Wade-Luke Littler 7-10
Dirk van Duijvenbode-Luke Humphries
Danny Noppert-Gabriel Clemens 10-8
Michael Smith-Joe Cullen 10-7
Simon Whitlock-Damon Heta 8-10
Gerwyn Price-Martin Schindler
Ryan Searle-Graham Usher 9-10
Kevin Doets-Daniel Klose 10-6
Ross Smith-Daryl Gurney 10-8
Scott Mitchell-Nathan Aspinall
Ryan Meikle-Brett Claydon 10-6
Benjamin Reus-Jose de Sousa 10-7
Chris Dobey-Mickey Mansell 10-3
Danny Lauby-Stephen Bunting 3-10
Scott Williams-Ricky Evans 4-10
Kim Huybrechts-Keane Barry 6-10
Rowby-John Rodriguez-Rob Cross 3-10
Cameron Menzies-Gary Anderson 5-10
Raymond van Barneveld-Luke Woodhouse 9-10
Jonny Clayton-Tim Wolters 10-9
By Leonard Gates-Martin Lukeman
Brendan Dolan-Dimitri Van den Bergh 8-10
Gian van Veen-Florian Hempel 10-7
Mike De Decker-Richard Veenstra 10-6
Nick Kenny-Dave Chisnall 4-10
Krzysztof Ratajski -Adam Gawlas 10-4
Joshua Richardson-Peter Wright 3-10
Josh Rock-Patrick Geeraets 10-5
Mervyn King-Ricardo Pietreczko 10-3
Vincent van der Voort-Boris Krcmar 10-5