Ronnie O’Sullivan capitalised on a free ball to make a 153 break in a 5-0 victory over Ryan Day in China Ronnie O’Sullivan has made the highest break in professional snooker by hitting a 153 at the World Open in Yushan, China. The 50-year-old achieved the feat after leaving Ryan Day in a snooker to begin the opening frame of their quarter-final and the ... [957 chars]