Young peril in eastern Paris.
Rune, 19, made Auger-Aliassime, 22, look old.
A 6-4, 6-2 demonstration.
Out of breath, Auger-Aliassime was swept away by Storm Rune.
Aggressive and offensive, the 18th in the world was the boss on the court.
Impeccable in service (89% and 83% of points behind his first balls), intractable in return, the quarter-finalist of the last Roland-Garros dominated the debates in the first round.
Visibly blunted, FAA was on its side dropped by its first ball (66%).
Taken by the throat at the start of the second set, the Quebecer gave up his entry service on a nasty forehand fault.
Caught up in speed, Auger-Aliassime sank in this second act.
And on his fifth break point, Rune unleashed a winning passing to afford a double break and escape 4-0.
The Dane ended the Canadian's 16-game winning streak and took revenge on Basel where he was outplayed in the final by FAA.
The protege of Patrick Mouratoglou will play his fourth consecutive final on Sunday.
His first in Masters 1000.
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