Ronnie O’Sullivan mentioned he has needed to change his considering and “return to fundamentals” following a “onerous 12 months” after he thrashed Ali Carter 10-2 to succeed in the Tour Championship semi-finals.

The world primary, 48, bought the higher of Carter once more after their ill-tempered Masters remaining in January, when O’Sullivan claimed his eighth title.

He’ll play Gary Wilson or Zhang Anda, who will resume tied 4-4 on Thursday.

Ding Junhui leads Mark Allen 5-3 in a single day in Manchester.

The winner of that match will face Judd Trump or Mark Williams, whose quarter-final additionally takes place on Thursday.

Earlier than their newest assembly, seven-time world champion O’Sullivan refused to talk about Carter, who he described as “not a pleasant individual” and “a nightmare” to play towards following their earlier encounter.

However, after taking a commanding victory on Wednesday, O’Sullivan opened up a few troublesome interval which prompted him to talk to famend psychiatrist Steve Peters.

“It has been a tough 12 months, drove myself just about insane actually – it is simply bought to me,” O’Sullivan, who withdrew from this 12 months’s Welsh Open to guard his psychological well being, advised ITV4.

“I had to return to fundamentals and get my head proper. Cope with it as a result of doing it the opposite means spherical is not working.

“Simply getting my head round it’s the solely possibility I’ve left. I’ve pushed myself mad for the final two years and never loved any of it.”