Top-ranked Judd Trump and world champion Mark Selby were among the opening-day winners at the European Masters in Lommel, Belgium.
Trump powered past Scotland's Chris Totten 4-0, finishing in style with a century, while Selby survived a scare to edge out Mark Joyce 4-3 having earlier led 3-1.
World number four Neil Robertson recorded two centuries in a comfortable 4-0 win over China's Fang Xiongman while Belgium's Luca Brecel maintained local interest with a 4-3 win over Sam Craigie.
World number seven Kyren Wilson was biggest casualty of the day, losing 4-3 to Northern Ireland's Gerard Greene.
Monday's results
Afternoon Session
Heldover/First Round (Best of seven frames)
- Mark Selby 4-3 Mark Joyce (Match 3)
- Jamie Jones 3-4 Martin O'Donnell (Match 5)
- Zhang Yong 0-4 Ben Woollaston (Match 8)
- Yuan SiJun 1-4 Alan McManus (Match 10)
- Neil Robertson 4-0 Fang Xiongman (Match 12)
- Anthony Hamilton v Ross Muir (w/o) (Match 15)
- Billy Joe Castle 4-3 Martin Gould (Match 17)
- Soheil Vahedi (n/s) v Joe Perry (Match 32)
Evening Session
Heldover/First Round (Best of seven frames)
- Judd Trump 4-0 Chris Totten (Match 1)
- Luca Brecel 4-3 Sam Craigie (Match 2)
- Mark King 2-4 Chen Zifan (Match 7)
- Gerard Greene 4-3 Kyren Wilson (Match 9)
- Dominic Dale 0-4 Peter Ebdon (Match 13)
- Aditya Mehta 4-1 Michael Holt (Match 16)
- Jak Jones 2-4 Ken Doherty (Match 19)
