World number three Trump beat Andrew Higginson 4-1, Elliott Slessor 4-1 and Steve Davis 4-0 at the European Tour event.
Stuart Bingham scored an impressive 4-2 win over Neil Robertson, compiling breaks of 83, 70, 75 and 73. Robertson had earlier been in astonishing break-building form, beating Ahmed Saif 4-0 with 108, 100, 105 and 100, his opponent failing to score a single point. Robertson also knocked in 100 and 103 in a 4-1 win over Rob Milkins.
Kyren Wilson, who reached the quarter-finals of the recent Shanghai Masters, continued his superb form with a trio of wins, culminating in a 4-3 defeat of Marco Fu, highlighted by a run of 114.
Belgian Bullet Luca Brecel beat Michael Holt 4-3 in a dramatic finish, potting the final black in the deciding frame after a long safety battle.
Mark Allen enjoyed runs of 61, 80 and 64 in a 4-2 win over Mark Williams and Mark Davis saw off Sam Baird by the same scoreline.
Robbie Williams beat Liu Chuang 4-1 while David Gilbert made a 137 in a 4-2 win over Dave Harold.
Last 16 line-up
Mark Davis v Mark Allen
Ben Woollaston v Chris Norbury
Barry Hawkins v Ryan Day
Mark King v Stephen Maguire
Ding Junhui v Anthony Hamilton
David Gilbert v Robbie Williams
Kyren Wilson v Judd Trump
Luca Brecel v Stuart Bingham
Ball by ball scoring and results from tournaments