Ronnie O'Sullivan on course for semi-finals at snooker's Tour Championship
The two all-time greats, and heavyweights of the sport, stepped into the Venue Cymru in Llandudno with Williams very much hoping to make home advantage count to book a place in the semi-finals. With that in mind, the Welshman made the perfect start, capitalising on errors from O’Sullivan to take a tense first frame, which lasted half an hour.