Borussia Dortmund have a mountain to climb after losing 3-0 to Tottenham Hotspur in the first leg of their Champions League round-of-16 tie on Wednesday.
The Bundesliga outfit were in a relatively comfortable position with 10 minutes remaining, trailing by just one goal.
But goals in the 83rd and 86th minutes, by Jan Vertonghen and Fernando Llorente respectively, mean Lucien Favre’s side have it all to do at the Westfalenstadion on March 5.
Dortmund made a bright start to the match, with Jadon Sancho and Christian Pulisic both looking lively.
But they tailed off in the second half and Sancho was left to reflect on a disappointing evening.
“Tottenham was the better team,” the 18-year-old told BT Sport at full-time.
“First half, we played really well, but second half we dropped a bit and lost focus.”
Wenger's opinion on Sancho's display
Sancho garnered much of the attention on his return to England the general consensus was, just like with his teammates, his performance dipped after half-time.
That’s certainly how Arsene Wenger, on punditry duty for beIN Sports, saw it.
The former Arsenal manager said that Sancho didn’t play with his natural penetration in the second half.
“He disappeared,” Wenger said. “When the game became more physical, and he was meeting many challenges, and maybe he is still not used to this physical intensity doing 90 minutes.
“But he was impressive in the first half. And he lost that penetration instinct he has naturally.
"He didn’t come out with that at all in the second half.”
Before the match, Wenger admitted that he tried to sign Sancho when he was the Arsenal manager.
"I wanted to sign him from Man City when he wasn't getting games," Wenger said.
"I tried to lure him because he is from London. I tried to get him to Arsenal.
Already without Marco Reus and Paco Alcacer through injuries, Dortmund needed Sancho, Pulisic, Mario Gotze and Mahmoud Dahoud to play well and pose a threat for 90 minutes.
But Tottenham took control of the match in the second half, scoring little over a minute after the restart and adding a couple of late goals, leaving Dortmund will it all to do in the return meeting.