O'Sullivan piles on the pressure, taking the second frame of the day with another brilliant century - this time 119. O'Sullivan capitalises on a Swail error, crashing home a stunning break of 108 to move five frames ahead. The seventh frame is nip and tuck until Swail again plays a flawed safety shot which gives O'Sullivan the frame 71-51. O'Sullivan is not spectacular, but never misses a chance to score heavily. A break of 70 from O'Sullivan when it looked as if a huge score was on the cards ties up the sixth frame.
Signs look ominous for the Northern Ireland player.
O'Sullivan is safe and sure as Swail becomes slightly careless. O'Sullivan claims the fifth frame 87-0 with a 58 winning break, then a 71 break sees him go two frames clear. O'Sullivan moves into a 57-43 advantage, but a 24 clearance to the pink sees Swail pinch the frame to regain his advantage. No ordinary genius Links to top World Snooker Championship stories are at the foot of the page.