Berrettini into Queen's final on his debut after beating De Minaur
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"The goal of the week is to win the title," said Berrettini after he had let out a huge roar of delight.
"There is one more step, for sure, to achieve that but to reach the final is a great achievement with the history of the tournament.
"I had to play my best to beat Alex."
He grinned when asked does he usually sleep soundly on the eve of a final.
"If I sleep too well then something is off," he said.
"I have to be nervous and the adrenaline has to kick in... I just hope I will sleep enough."
Berrettini -- ranked nine in the world and one of 10 Italians in the top 100 -- will play the winner of Canadian second seed Denis Shapovalov and Britain's Cameron Norrie.
Shapovalov reached the semi-finals earlier on Saturday completing victory in his match with American Frances Tiafoe, which had been interrupted by bad light on Friday, 6-3, 6-4.