Upon his return to Copenhagen, Rasmus Højlun quickly made an impact by capping off a sensational team goal, giving Manchester United an early lead. An electric counter-attack saw Højlund doubling United's advantage before the half-hour mark.
However, disaster struck when a Marcus Rashford challenge was deemed a serious foul play after a VAR check, reducing United to ten men just before the break. Copenhagen seized the opportunity, cutting United's lead in half through Mohamed Elyounoussi.
Harry Maguire's handball in the box gifted the hosts a penalty, successfully converted by Diogo Gonçalves to level the score. The second half saw Bruno Fernandes coolly converting a penalty for Manchester United, regaining the lead, only for Lukas Lerager to equalize in the dying minutes.
The final twist came when Copenhagen snatched a dramatic winner through Roony Bardghji, stunning the Premier League visitors and pushing Manchester United to the bottom of the group.
In the Bernabéu, Braga had an early chance to stun the crowd with a penalty, but Álvaro Djaló's spot-kick was brilliantly saved by Andriy Lunin. Braga paid the price for the missed opportunity as Real Madrid took the lead through Brahim Díaz.
Real extended their lead with goals from Vini Jr. and Rodrygo, all but securing their spot in the knockout rounds.
Mauro Icardi had a chance to put Galatasaray ahead, but his effort was saved by Manuel Neuer. Harry Kane missed a clear opportunity for Bayern, hitting the post from point-blank range.
Lucas Torreira's disallowed goal added to the drama. Kane eventually put Bayern in the lead, doubling it shortly after. Cédric Bakambu scored a late consolation for Galatasaray, but it was too little, too late as Bayern emerged victorious.
Inter Milan pressed for an opener, with Alessandro Bastoni missing a point-blank header. The breakthrough came in the dying minutes when Lautaro Martínez converted a penalty, securing Inter's path to the next round.
Arsenal's dominant display saw them take a comfortable victory, with goals from Leandro Trossard and Bukayo Saka securing a four-point lead atop Group B.
PSV took an early lead with Luuk de Jong's header, and Lens' late efforts were in vain as PSV held on for a vital win in their quest for qualification.
Napoli and Union Berlin fought hard, with Napoli's goal initially disallowed due to a foul. Napoli finally broke through with Mário Rui's goal, but Union hit back with a counterattack finished by David Datro Fofana, securing their first-ever Champions League point.
Real Sociedad dominated Benfica, with Mikel Merino, Mikel Oyarzabal, and Ander Barrenetxea all finding the net in the opening minutes. Benfica's Rafa Silva provided a glimmer of hope with a goal, but Real Sociedad held on for a commanding victory, claiming the top spot in Group D.
Cover image: Arsenal/X">