As the Ali Carter rivalry rages on, Ronnie O’Sullivan wins the first World Grand Prix.

Ronnie O’Sullivan continued his winning form at the World Grand Prix after Ali Carter had earlier continued the pair’s bitter war of words by saying he does not think the world number one is “that well mentally”.

O’Sullivan was back in action 48 hours after beating Carter in Sunday’s Masters final, where both men carried on a long-standing feud.

The world number one, who was a 4-2 victor over Pang Junxu in Leicester, is under review by the World Snooker Tour after he described Carter as “a f****** nightmare” and said he needs to “see a counsellor” after beating his fierce rival.

The 48-year-old was hitting back at Carter, who claimed the seven-time world champion had “snotted on the floor” during their match at Alexandra Palace, which O’Sullivan won 10-7.

Both men are in action at the Morningside Arena this week and Carter went back on the offensive ahead of his 4-3 win over Wu Yize, telling ITV4: “Ronnie is entitled to his opinion. I just said what it is and how it was and I talk facts. It is as simple as that.”

Asked whether he was angry at O’Sullivan’s comments, he said: “Angry about what? It makes no difference to me what he says. He says different things on different days. I don’t think he even knows what is going to come out of his mouth at certain times.

“I actually feel a bit sorry for him. I don’t think he is that well, mentally. So we move forward and we go again this week.”

O’Sullivan caused a stir when told several newspapers: “He needs to sort his f******