World champion Mark Selby survived a major scare to reach the last 16 of the European Masters in Lommel, Belgium.
The 34-year-old found himself 3-2 down to Chinese teenager Lyu Haotian, but hauled himself level before taking a scrappy deciding frame to squeeze through 4-3.
Judd Trump, defending the title he won last year, was also taken to the wire, coming from 3-1 down to edge past Martin O'Donnell.
Mark King beat four-time world champion John Higgins 4-1 and 1997 Crucible winner Ken Doherty's tournament was ended 4-2 by China's Cao Yupeng.
Neil Robertson secured his second whitewash of the week, hitting a break of 129 to finish off fellow former world champion Peter Ebdon.
And in a second battle of ex-Crucible winners Stuart Bingham brushed aside Graeme Dott 4-0.
Mark Allen, Mark Williams, Anthony McGill and home favourite Luca Brecel also made it through.
Wednesday's results & Thursday's schedule
WEDNESDAY OCTOBER 4
Afternoon Session
Second Round (Best of seven frames)
- Judd Trump 4-3 Martin O'Donnell (Match 36)
- David Gilbert 4-1 Chen Zifan (Match 37)
- Ben Woollaston 4-3 Gerard Greene (Match 38)
- Alan McManus 1-4 Mark Allen (Match 39)
- Neil Robertson 4-0 Peter Ebdon (Match 40)
- Mark Williams 4-3 Ross Muir (Match 41)
- Aditya Mehta 3-4 Billy Joe Castle (Match 42)
- Cao Yupeng 4-2 Ken Doherty (Match 43)
Evening Session
Second Round (Best of seven frames)
- John Higgins 1-4 Mark Davis (Match 44)
- Anthony McGill 4-0 Alfie Burden (Match 45)
- Thepchaiya Un-Nooh 3-4 Peter Lines (Match 46)
- Zhou Yuelong 4-0 Michael Georgiou (Match 47)
- Stuart Bingham 4-0 Graeme Dott (Match 48)
- Chris Wakelin 1-4 Luca Brecel (Match 49)
- Joe Perry 2-4 Jack Lisowski (Match 50)
- Lyu Haotian 3-4 Mark Selby (Match 51)
THURSDAY OCTOBER 5
Afternoon Session (1300 BST)
Third Round (Best of seven frames)
TV Coverage: Eurosport 1
- Judd Trump v David Gilbert (Match 52)
- Ben Woollaston v Mark Allen (Match 53)
- Neil Robertson v Mark Williams (Match 54)
- Billy Joe Castle v Cao Yupeng (Match 55)
Evening Session (1900 BST)
Third Round (Best of seven frames)
TV Coverage: Eurosport 1
- Mark Davis v Anthony McGill (Match 56)
- Peter Lines v Zhou Yuelong (Match 57)
- Stuart Bingham v Luca Brecel (Match 58)
- Jack Lisowski v Mark Selby (Match 59)
