Photo Credit: Photo Credit
Ronnie O'Sullivan continued his pursuit for a record eighth World Snooker Championship title with a comfortable 13-7 victory over Ryan Day at The Crucible.
O'Sullivan - aiming to become just the fourth man, after Stephen Hendry, Steve Davis and Mark Williams, to win The Masters, UK Championship and World Championship in the same season - led Page 10-6 overnight and wrapped up victory on Monday afternoon.
The 48-year-old will play the winner of the match between left-hander Jack Lisowski or 2015 champion Stuart Bingham in the last eight.
O'Sullivan built on a 5-3 first-session lead by making Day pay for a succession of missed chances.
A missed yellow from Day proved costly as O'Sullivan made an 82 clearance and, although the Welshman replied by winning a scruffy frame, the seven-time world champion did not have to get out of second gear to dominate.
'The Rocket' reached the break 8-4 ahead as Day's carelessness was further punished with breaks of 65 and 89.
The pattern remained the same after the interval as O'Sullivan cashed in on Day mistakes with frame-winning breaks of 56 and 96.
But Day - who has not beaten O'Sullivan since 2011 - responded superbly with efforts of 77 and 75.
His chances to reduce his deficit to three frames ended with a double kiss with ruthless O'Sullivan clearing up before a break of 85 saw him move one frame away from notching another victory on the Crucible stage.
World No 18 Day stayed in the match by claiming his first frame of the day thanks to breaks of 37 and 41, but O'Sullivan got the job done with a break of 53.
Lewis Musonye
