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O’Sullivan snookered Ryan Day at start of first frame
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Seven-time world champion won 5-0 to reach semi-finals
Ronnie O’Sullivan has made the highest break in professional snooker by hitting a 153 at the World Open in China.
The 50-year-old achieved the feat after leaving Ryan Day in a snooker at the start of the opening frame of their quarter-final and the Welshman’s failed attempt to get out of it handed O’Sullivan a free ball.