Yannick Carrasco’s first half strike was enough to sink Bayern Munich and end Carlo Ancelotti’s unbeaten start.
Bayern Munich came up against the team that ended Pep Guardiola’s dream farewell of potentially landing a Champions League, last season.
The defeat sees Atletico Madrid top Group D with six points from their opening two games after two one-nil wins against PSV and Bayern Munich on Wednesday night.
Carlo Ancelotti has a long history with Diego Simeone from his time at Atletico’s fierce rivals Real Madrid.
The Italian ruined Simeone’s hopes of winning the Champions League when his Madrid edged past Atletico at the death in the Champions League final.
It was a close match at the Vicente Calderon Atletico Madrid reigned victorious and Belgian International Carrasco was the difference in the clash.
Bayern Munich had their chances but many off target, Franck Ribery and Robert Lewandowski both coming close but could only drag their efforts wide.
The hosts had a chance seven minutes before the end to make it 2-0 from the penalty spot following Arturo Vidal’s foul on Filipe Luis but Antoine Griezmann rattled the crossbar from 12 yards.
Here are the player ratings from tonight.