Ronnie O’Sullivan came from 8-4 down to level at 8-8 against Mark Williams going into their final session, which starts at 7pm.
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O’Sullivan’s fight-back sets up a blockbuster conclusion to a quarter-final between two players with eight Crucible crowns between them.
Victory for O’Sullivan would put him into the last four for the first time since 2014, while Williams is aiming to keep his hopes alive of a repeat of his run to the title in 2018.
Trailing 6-2 after the first session, O’Sullivan made a break of 54 in the first frame today, but his opponent got the snooker he needed and eventually took it on respotted black. Breaks of 105 and 74 saw O’Sullivan reduce his arrears to 7-4, then Williams made a 57 in the next to restore his four frame cushion at the interval.
Mistakes crept into Welshman Williams’ game in the second half of the session and O’Sullivan punished him. A top break of 112 helped the Rocket take four frames in a row to square the match. First to 13 frames goes through to meet Mark Selby.