James Wilson extends his good run and beat Andy Jenkins with 6-2 for a spot in the quarters on the Players Championship 22.
John Henderson, who won from Chris Dobey, plays Jamie Caven who was too strong for Adrian Lewis.
Johnny Clayton will try to make it to the last 4 in his match against the Spaniard Antonio Alcinas.
Last 16
James Wilson 6 | 2 Andy Jenkins
Ron Meulenkamp 6 | 3 Diogo Portela
John Henderson 6 | 4 Chris Dobey
Jamie Caven 6 | 3 Adrian Lewis
Jeffrey de Zwaan 6 | 5 Michael Smith
Richard North 6 | 2 Ian White
Antonio Alcinas 6 | 4 Jan Dekker
Jonny Clayton 6 | 5 Darren Webster
Last 8
James Wilson - | - Ron Meulenkamp
John Henderson - | - Jamie Caven
Jeffrey de Zwaan | Richard North
Antonio Alcinas - | - Jonny Clayton