Image source, Getty Images
Image caption,Judd Trump has aiming for a fifth Northern Ireland Open title
Judd Trump continued his defence of the Northern Ireland Open title with a 4-1 victory over Barry Hawkins in Belfast on Thursday night.
The world number made breaks of 69 and 63 to move into a 2-0 lead before Hawkins pulled one back.
Trump won the fourth frame and a 105 break saw him seal victory and a place in the quarter-finals at the Waterfront Hall.
He will meet Shaun Murphy, who beat fellow former world champion Stuart Bingham 4-3 on the final black.
Mark Williams defeated Ma Hailong 4-2 and he will take on Kyren Wilson, with the reigning world champion overcoming exciting teenager Stan Moody 4-1.
China's Pang Junxu whitewashed Martin O'Donnell 4-0 and he will play Neil Robertson, another Thursday night winner with a 4-1 victory over Oliver Lines.
The other last-eight encounter will see Louis Heathcote going up against Elliott Slessor.
Heathcote enjoyed a 4-2 win over Tian Pengfei and Slessor beat Lei Peifan 4-1.
Image source, Getty Images
Image caption,Shaun Murphy, Kyren Wilson and Mark Williams will play in the NI Open quarter-finals
Murphy compiled a break of 104 to win the first frame against Bingham, who responded with 121 to draw level.
Essex veteran Bingham moved 3-1 ahead, helped by a run of 101 in frame four, but breaks of 56 and 52 helped Murphy draw level before the world number eight got over the line.
Despite a break of 60 from Bingham, Murphy sank a match-winning black along the baulk cushion in the decider to secure a third quarter-final appearance at the event.
A 91 break saw Wilson get off to a flying start against 18-year-old Moody, who was bidding to reach the quarter-final stage of a ranking tournament for the first time.
The world number two added the next frames to take firm control before his teenage opponent replied with a 70 to reduce his arrears.
Wilson closed out the match by winning a scrappy fifth frame.
Former NI Open winner Williams was pegged back from 2-0 to 2-2 in his match against Ma, but the three-time world champion from Wales proved too strong as he advanced.