Juan Cuadrado scored one goal and set up another for Colombia to beat Germany 2-0 in a friendly and deepen the sense of crisis around the German team one year before the country hosts Euro 2024.
Colombia's win on Tuesday was its first ever over Germany, a four-time world champion that appears to have forgotten how to win games.
German supporters whistled their team off after the latest disappointment, the third in a week after a 1-0 loss to Poland and 3-3 draw with Ukraine.
Germany, which flopped at the World Cup with a second straight group-stage exit, has won only three of its 11 games this season under coach Hansi Flick — an ultimately futile win over Costa Rica at the World Cup, and two friendly victories over Peru and Oman.
Flick had been hoping to finish the season on a high note, saying before kickoff that a win was imperative.
"We know that we need successful results to take the next steps, otherwise it will be difficult," Flick told broadcaster RTL.
Flick again made a host of changes to his team after the disappointments against Poland and Ukraine. He dropped Joshua Kimmich as captain in favour of Champions League-winner Ilkay Gündogan, and brought in Marius Wolf, Robin Gosens, Leon Goretzka and Leroy Sané for Thilo Kehrer, Benjamin Henrichs, Jonas Hofmann and Florian Wirtz.
There was a brief holdup midway through the first half after a group of people in the crowd ran onto the field. Two almost made it to the goalposts before they were tackled by stewards.
Colombia seized the initiative once play resumed, capitalising on uncertain German defending to create several good chances.
Malick Thiaw, who started for the second consecutive game after making his debut against Poland, made a crucial tackle to stop Luis Díaz, who was through on goal, and Marc-André ter Stegen produced a flying save to deny Yerry Mina.
Jamal Musiala and Kai Havertz combined for a chance just before the break — it was Germany's first, and it didn't prevent fans' whistles for the team at the break.
Colombia remained the better team and deservedly went ahead in the 54th when Cuadrado whipped in a perfect cross for Díaz to head past ter Stegen.
Flick sent Kimmich on for the last 15 minutes and the Bayern Munich midfielder promptly conceded a penalty for handball.
Cuadrado made no mistake from the spot to seal the win in the 82nd.
Earlier on Tuesday, Germany unveiled its mascot for Euro 2024. The as-yet-unnamed teddy bear didn't change the team's luck.
