Ronnie O’Sullivan has admitted he is lucky to be in the next round of the Chinese Grand Prix after scrapping past Matthew Selt. O’Sullivan was far from his best against Selt in the last eight of the Chinese Grand Prix on Friday morning, though he managed to claim a 5-4 victory. Selt had been 4-2 down before levelling the scores 4-4 with two centuries and a 95, forcing O’Sullivan into a sticky situation. However, the Rocket showed why he is the favourite to claim glory in Xi’an this month by clinching the deciding set. But O’Sullivan has admitted that he is a lucky boy to reach the semi-final, …