Alan McManus has described Ronnie O'Sullivan's performance in the semi-final of the World Grand Prix as the best in the history of snooker.
However, the Scot is backing Judd Trump to beat the Rocket in Sunday's final at Leicester.
O'Sullivan beat Ding Junhui 6-1 at the Morningside Arena on Saturday evening.
The seven-time world champion put on a show for the crowd as he reached yet another final.
Ronnie O'Sullivan faces Judd Trump in Sunday's final
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World No 2 Trump stands in his way of winning a second tournament in the space of a week.
McManus was on punditry duty for ITV for the afternoon session of the final.
Ahead of the match, the 52-year-old admitted he couldn't think of a better performance than O'Sullivan's in his win over Ding.
McManus said: "We've had overnight obviously to digest what we saw last night.
"I believe it to be the best performance in the history of the game in a single match.
"It was off the charts in every way you want it.
"Even Ding, he only missed two shots in the match.
"I was thinking of matches, I'm sure Ken was overnight, in comparison.
"You think of the John Higgins-Mark Selby game at the Players Championship, that was different.
"John kind of didn't dismantle Mark Selby, he broke him down brick by brick.
"But last night Ronnie just bulldozed his way through the match but it was beautiful the way he went about it.
"I've never seen anything like it."
However, despite his magical display, McManus is not backing O'Sullivan to beat Trump.
He said: "I think it will be close but I think Judd will win."
Ken Doherty is backing O'Sullivan to come out on top but is expecting a tight contest.
The Irishman said: "I think it's going to go really close.
"But I think O'Sullivan, because of his scoring power and his confidence at the moment and his long game is as good as I've ever seen it.
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Alan McManus is not backing Ronnie O'Sullivan to win the World Grand Prix final
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"I think O'Sullivan is going to edge it but I think it's going to be close, 10-8 to O'Sullivan."
Doherty lavished praise on O'Sullivan in the immediate aftermath of Saturday's win, describing it as 'the best session of snooker' he has ever seen.
And he was keen to make that point again on Sunday.
Doherty said: "It was scintillating snooker from start to finish.
"He made four centuries, he absolutely demolished Ding in a little over an hour.
Judd Trump stands in Ronnie O'Sullivan's way at the World Grand Prix
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"Every part, every facet of his game was pinpoint. His long ball, his safety, all his stats were completely off the charts.
"One of the best semi-finals and one of the best-of-eleven performances that I've ever seen.
"He was a lot happier and it was great to see because all week he's been downplaying his performances, even though they've been superb.
"And last night I think he was really, really pleased."
