Borussia Dortmund were knocked out of the Champions League after losing 4-1 to Atalanta, surrendering a 4-3 aggregate lead and a two-goal cushion from the first leg, with Niko Kovac accepting that Dortmund merited elimination following a night shaped by defensive errors and a dramatic stoppage-time penalty in Bergamo.
Atalanta overturned the tie through goals from Gianluca Scamacca, Davide Zappacosta, Mario Pasalic and a late Lazar Samardzic penalty, while Borussia Dortmund briefly forced extra-time hopes through substitute Karim Adeyemi, but that response could not prevent a result that placed Dortmund on the wrong side of Champions League history and German records.

The match began badly for Borussia Dortmund and the Champions League visitors fell behind after only five minutes, when Ramy Bensebaini slid towards a Lorenzo Bernasconi cross and diverted the ball to the back post, allowing Scamacca to finish, before Zappacosta struck again with a shot that deflected off Bensebaini and looped over goalkeeper Gregor Kobel.
Borussia Dortmund looked overwhelmed in that Champions League first half as Atalanta wiped out the two-goal deficit from the first leg, and the turnaround was complete on 57 minutes when Pasalic crossed for Nikola Krstovic, with the move continuing and Pasalic eventually finishing to put the Serie A team ahead on aggregate.
The Champions League tie appeared headed towards extra time when Karim Adeyemi came off the Borussia Dortmund bench and fired past Marco Carnesecchi with 15 minutes remaining, yet the final word went to Atalanta deep into stoppage time after Kobel's misplaced pass led to Krstovic being caught on the forehead by a high Bensebaini boot inside the area.
Referee Jose Maria Sanchez Martinez initially allowed play to continue but then visited the monitor, and after a VAR review in the Champions League clash, the official awarded Atalanta a penalty and also sent off Borussia Dortmund defender Bensebaini, before Samardzic converted from 12 yards in the 98th minute to seal Atalanta's progression.
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The Champions League outcome carried wider significance, as Atalanta became the first team to overturn a two-goal first-leg deficit in a knockout tie since Liverpool's comeback against Barcelona in the 2018-19 semi-final, while Borussia Dortmund became only the second German club eliminated from a two-legged Champions League knockout round after winning the first game by at least two goals, following Wolfsburg's 2015-16 exit to Real Madrid.
Kovac did not hide frustration after the Champions League defeat, and the Borussia Dortmund coach focused on recurring defensive issues rather than the penalty decision itself, stressing that the team had already shown similar fragility in the league phase and failed to deal with crucial moments in Bergamo.
"When you concede four goals in the Champions League, as we have already done in the league phase, it's difficult, Kovac told DAZN. We don't need to talk about the penalty now. We just weren't really there in the moments when we conceded the goals. In the Champions League, mistakes like that are punished, so we are very disappointed and quite downhearted. After playing really well at home, we can't let a tie like this slip away here, even if we knew it was going to be tough. We're a Bundesliga team, and we have to be able to handle that. We deserved to be knocked out. We didn't perform well enough to progress."
Individual lapses underpinned Borussia Dortmund's Champions League collapse, with Bensebaini involved in three Atalanta goals and Kobel's stray pass preceding the foul on Krstovic, though Emre Can insisted that the dressing room would not single out anyone and instead accept collective responsibility for the exit.
"I'm not blaming any player, but when you make so many individual mistakes, it's difficult to progress. And if we had taken our chancesand I believe we had a few clear-cut opportunities in the second halfthen it would have been very, very unfortunate in the end. But to be honest, we deserved to be knocked out. It hurts a lot. How many times has Gregor helped and saved us this season? The way he pulled off another great save in the first half was incredible. I feel sorry for him! As I said, no blame, no blame at all. We're all in it together."
For Borussia Dortmund, the Champions League defeat to Atalanta leaves a sense of missed opportunity after a strong first-leg display, with Kovac and Can united in their view that repeated errors, rather than a single controversial decision, decided the tie and highlighted the level that Bundesliga clubs must sustain in European knockout football.