Andy Hamilton was unable to continue his fine day, as he lost 6-3 to James Wilson in the last 16 of Players Championship 22.
Richard North beat Wes Newton, while Johnny Clayton was the better of Rob Cross (6-5).
Adrian Lewis defeated Jermaine Wattimena for the second successive day and will face Jamie Caven in the last 16.
Results last 32 (draw last 16 below results) James Wilson 6 | 3 Andy Hamilton
Andy Jenkins 6 | 4 Devon Petersen
Ron Meulenkamp 6 | 3 Justin Pipe
Diogo Portela 6 | 5 Vincent van der Voort
Chris Dobey 6 | 4 Matt Clark
John Henderson 6 | 5 Mervyn King
Jamie Caven 6 | 3 Jimmy Hendriks
Adrian Lewis 6 | 4 Jermaine Wattimena
Michael Smith 6 | 5 Jeffrey de Graaf
Jeffrey de Zwaan 6 | 3 Joe Murnan
Richard North 6 | 3 Wes Newton
Ian White 6 | 0 Peter Jacques
Jan Dekker 6 | 5 Max Hopp
Antonio Alcinas 6 | 2 Benito van de Pas
Jonny Clayton 6 | 5 Rob Cross
Darren Webster 6 | 2 Ryan Harrington
Draw last 16 James Wilson - | - Andy Jenkins
Ron Meulenkamp - | - Diogo Portela
Chris Dobey - | - John Henderson
Jamie Caven - | - Adrian Lewis
Jeffrey de Zwaan | Michael Smith
Richard North | Ian White
Jan Dekker - | - Antonio Alcinas
Jonny Clayton - | - Darren Webster