Defending champion Rob Cross powered into the last 16 of the PDC World Championship with a 4-0 victory over Cristo Reyes at Alexandra Palace.
Englishman Cross, the second seed, will face either Luke Humphries or Dimitri van den Bergh in the next round.
Adrian Lewis beat Darius Labanauskas 4-0 to set up a match with fellow two-time winner Michael van Gerwen.
Ninth seed James Wade recovered from 3-1 down to beat fellow Englishman Keegan Brown 4-3 in the afternoon session.
Wade was booed by the crowd following his behaviour in the previous round, when he celebrated in Seigo Asada's face. He later apologised, saying he had a "hypomania episode".
The three-time semi-finalist, 35, will play unseeded Ryan Joyce in the next round.
Compatriot Lewis joined him in the last 16 with a comfortable victory over Lithuanian Labanauskas, who stunned Raymond van Barneveld in the previous round.
After the match, Lewis said he had "felt under the weather".
Two seeded players were beaten on Sunday - 27th seed Kyle Anderson losing 4-1 to debutant Nathan Aspinall, and Mervyn King - the 19th seed - beaten 4-2 by Brendan Dolan.
Chris Dobey beat Vincent van der Voort 4-3 to set up a last-16 meeting with fourth seed Gary Anderson.