By PA Sport Staff Ronnie O’Sullivan has again shared his struggles despite reaching the World Grand Prix quarter-finals in Leicester, saying he’s not having fun. After a close 4-3 victory over Zhou Yuelong, he told ITV4: “I’ve got to really consider whether I can carry on feeling how I’m feeling out there I just don’t get any enjoyment from the way I’m hitting the ball. I feel like it’s just hard work, I haven’t a clue where the balls are going, and a lot of it’s just guess-work.” He added that winning makes it harder to decide what to do next. He said: “The worst thing is you’re winning blood…