Judd Trump survived a test of nerve on a day his form deserted him to edge through to the second round of the Dafabet World Championship.
Ricky Walden held off Crucible debutant Kyren Wilson's fightback to avoid joining the high-profile exits in the first round.
John Higgins joined Ding Junhui on the Crucible casualty list as the four-time world champion was bundled out by his fellow Scot Alan McManus.
Michael Wasley sprang one of the Crucible's great upsets as he beat world No 2 Ding Junhui in the first round of the World Championship.
World number 15 Joe Perry overturned a 6-3 overnight deficit to beat Jamie Burnett 10-7 to set up a clash with Ronnie O'Sullivan in the second round of the Dafabet World Championship in Sheffield.
The 2005 world champion Shaun Murphy survived a huge scare before reaching the second round of this year's event at the Crucible.
Former world champion Ken Doherty came from 5-4 down overnight to beat Stuart Bingham 10-5 in the opening round of the World Championship, his first victory at the Crucible for eight years.
Two-time World Championship runner-up Ali Carter struggled past qualifier Xiao Guodong in the first round of this year's tournament.
Crucible newcomer Kyren Wilson has vowed to make the most of his return to snooker after failing in his fallback career of pulling pints.
Ken Doherty returned to vintage form and struck a blow for snooker's senior citizens as he enjoyed a first Crucible win in eight years.
World champion Ronnie O'Sullivan believes snooker legends Steve Davis and Stephen Hendry should be handed Tour cards.
Ronnie O'Sullivan moved a first step nearer the sixth world title after a no-frills opening win against Robin Hull at the Crucible.