And Dortmund coach Tuchel had few complaints, telling reporters: "We started well with one or two unsafe moves where we found some space and then conceded an unlucky goal".
But substitute Valere Germain scored 21 seconds after coming off the bench for the hosts to secure a 6-3 aggregate win and their spot in the last four.
With the first leg ending with a 3-2 score line in favor of Monaco, the German team had a good chance of challenging them to advance to the round.
The Germans lost that match 3-2, their minds elsewhere, but their hopes of turning the tie around in the second leg were not helped when their bus was held up on the way to the Stade Louis II, leading to a five-minute delay to the kick-off.
The last team to come through two qualifying rounds to reach the semi-finals of the Champions League was Dynamo Kiev in 1999, although the format was different in those days.
Borussia Dortmund coach Thomas Tuchel vented his frustration after local police delayed the team bus when it was ready to leave the players' hotel for Wednesday's Champions League quarterfinal against Monaco.
"We started well in the second half but did not manage [to score] any other goals".
The Washington Capitals are moving on to the second round
You have to sacrifice your body to have success. "Then you get into hypotheticals". "You still have to be in". With No. 14's return, the Leafs coincidentally climbed all the way to 14th in the overall standings.
He said: "We started well with one or two unsafe moves where we found some space and then conceded an unlucky goal".
Mbappe - with 16 goals in 16 matches - continued to torment the beleaguered Dortmund defence and Falcao came close to scoring again.
"Juventus is a great team and they were better than us", Barcelona defender Gerard Pique said.
Attack-minded left back Bernard Mendy - newly called up to the France team along with Mbappe - hit a fierce shot that goalkeeper Roman Burki spilled.
The visiting side fell further into the hole when Radamel Falcao connected on a header in the 17th minute, his fifth goal of the current Champions League tourney.
Dortmund's "You'll never walk alone" anthem, a song notably shared with English club Liverpool, was played at the ground to mark the solidarity between the two clubs in the wake of last week's bus attack. Mbappe slotted the loose ball into the bottom left corner for his 22nd goal of a breakthrough season that has made the 18-year-old arguably the most sought after young talent in world football.
Comments