Ronnie O'Sullivan cruises into second round of Northern Ireland Open
Ronnie O'Sullivan eased into the second round of the Northern Ireland Open with a comfortable victory over David John.
The five-time world champion made two century breaks in a 4-1 win over his Welsh opponent.
John Higgins enjoyed an even easier ride as he beat Paul Davison 4-0 but world number 26 Ben Woollaston is out after he suffered a surprise 4-2 defeat to amateur Jordan Brown.
Jimmy White, Joe Perry, Luca Brecel, Barry Hawkins and Michael White are also through.